325C CR TRACK-TYPE EXCAVATOR /COMPACT RADIUS HYDRA/ BKW00343-UP (MACHINE) ELECTRICAL AND STARTING SYSTEM Caterpillar SIS

Special Instruction

Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}
Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}

Operation and Maintenance Manual

Travel Alarm - If Equipped
325C Excavator

Travel Alarm - Test - If Equipped
325C Excavator

Travel Alarm - If Equipped
325C Excavator

Travel Alarm - Test - If Equipped
325C Excavator

Special Instruction

Installation of 244-1090 Alarm Gp {7400, 7402, 7407}
Installation of 244-1090 Alarm Gp {7400, 7402, 7407}

Installation of 262-6141 Alarm Gp {7406}
Installation of 262-6141 Alarm Gp {7406}

Testing and Adjusting

Travel Alarm Is Abnormal - Troubleshoot - CID 376
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Engine News

Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}

Operation and Maintenance Manual

Belt - Inspect/Adjust/Replace
325C Excavator

Special Instruction

Charging System Troubleshooting {1406}
Charging System Troubleshooting {1406}

Procedure for Replacing Regulator Kit on All Engines {1405}
Procedure for Replacing Regulator Kit on All Engines {1405}

Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}
Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}

Specifications

Alternator and Air Compressor Mounting Group
3126B Engine for Caterpillar Built Machines

Alternator and Regulator
3126B Engine for Caterpillar Built Machines

Systems Operation

General Information (Electrical System)
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Power Circuit
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Start and Stop Circuit
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Charging Circuit
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Information Release Memo

REMANUFACTURED HEAVY DUTY BRUSHLESS ALTERNATORS
REMANUFACTURED HEAVY DUTY BRUSHLESS ALTERNATORS

Testing and Adjusting

Battery Voltage Is Abnormal - Troubleshoot - CID 168
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Charging System - Test
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Charging System - Test
3126B Engines

Troubleshooting

Alternator - Noisy Operation
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

MID 124 - CID 0168 - FMI 00
Machine Security System

MID 124 - CID 0168 - FMI 01
Machine Security System

MID 161 - CID 0168 - FMI 00
Product Link - PL522/523

MID 161 - CID 0168 - FMI 01
Product Link - PL522/523

MID 161 - CID 1251 - FMI 03
Product Link - PL522/523

MID 122 - CID 0168 - FMI 00
Product Link 121S/300

MID 122 - CID 0168 - FMI 01
Product Link 121S/300

MID 122 - CID 1251 - FMI 03
Product Link 121S/300

Disassembly and Assembly

Alternator - Remove and Install
3126B Engines for Caterpillar Built Machines

Alternator - Remove and Install - Engine in Chassis
325C Excavator 3126B Engine Supplement

Belt - Remove and Install - Engine in Chassis
325C Excavator 3126B Engine Supplement

Alternator - Remove and Install
325C Excavator Engine Supplement

Service Magazine

Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}

Truck Engine News

Coolant/Battery Tester Group Quickly Tests Coolant and Battery Acid {0773, 0785}
2004/12/27

Engine News

Operation and Maintenance Manual

Battery or Battery Cable - Inspect/Replace
325C Excavator

Battery - Clean
325C Excavator

Battery Hold-Down - Tighten
325C Excavator

Battery - Recycle
325C Excavator

Fuses - Replace
325C Excavator

Special Instruction

Procedure for Improvement of the Cold Weather Starting Capability{1000, 1250, 1401, 1402, 1450, 1453, 1456, 1900, 7620}
Procedure for Improvement of the Cold Weather Starting Capability{1000, 1250, 1401, 1402, 1450, 1453, 1456, 1900, 7620}

Technical Information Bulletin

Procedure for Starting an Engine in Cold Weather{1000, 1090, 1250, 1348, 1450, 1453, 1456, 1900}
Procedure for Starting an Engine in Cold Weather{1000, 1090, 1250, 1348, 1450, 1453, 1456, 1900}

Recommendations for Battery Charging and Temperatures for Machines and Generator Sets{1401, 751B}
Recommendations for Battery Charging and Temperatures for Machines and Generator Sets{1401, 751B}

Process for Communicating an Incident with a Battery{1401}
Process for Communicating an Incident with a Battery{1401}

Tool Operating Manual

M0077220 (NEHS1231) 115V & 230V Battery Chargers {1401, 751B}
M0077220 (NEHS1231) 115V & 230V Battery Chargers {1401, 751B}

M0090131 Battery Analyzer 480-4181 (484-4859 Group) {0374, 0599, 0709, 1401, 7468}
M0090131 Battery Analyzer 480-4181 (484-4859 Group) {0374, 0599, 0709, 1401, 7468}

Systems Operation

Charging Circuit
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Testing and Adjusting

Battery - Test
3126B Engines

Battery Voltage Is Abnormal - Troubleshoot - CID 168
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Charging System - Test
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Troubleshooting

CID 0168 FMI 02 System Voltage intermittent/erratic
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Battery
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Electrical Power Supply Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

MID 124 - CID 0168 - FMI 00
Machine Security System

MID 124 - CID 0168 - FMI 01
Machine Security System

MID 161 - CID 0168 - FMI 00
Product Link - PL522/523

MID 161 - CID 0168 - FMI 01
Product Link - PL522/523

MID 161 - CID 1251 - FMI 03
Product Link - PL522/523

MID 122 - CID 0168 - FMI 00
Product Link 121S/300

MID 122 - CID 0168 - FMI 01
Product Link 121S/300

MID 122 - CID 1251 - FMI 03
Product Link 121S/300

Electrical Power Supply - Test
MSS3s Machine Security System

Service Magazine

Coolant/Battery Tester Group Quickly Tests Coolant and Battery Acid {0773, 0785}
2004/12/27

Rerouting the Battery Cable Eliminates Interference Between the Cable Assembly and the Engine Firewall {1402, 1408}
2006/12/11

Improved Batteries Are Now Available {1401}
2008/09/08

New Software and a New Rotary Switch Improve the Reliability of the Engine Speed Dial on Excavators {1408, 7332, 7610, 7620}
2011/07/14

Tool Operating Manual

Communication Adapter II{0600, 0709, 7600, 7610}
Communication Adapter II{0600, 0709, 7600, 7610}

Using the 4C-8195 Control Service Tool{0374, 0599, 0709, 7490}
Using the 4C-8195 Control Service Tool{0374, 0599, 0709, 7490}

Systems Operation

Electronic Control System
325C LCR Excavator Hydraulic System

Service Magazine

New Radio Software Is Now Available For Product Link 522 and 523 Radio On All Cat ® Products {7610, 7620}
2014/02/06

Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}
Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}

Real Time Clock is no Longer Supported {1901}
Real Time Clock is no Longer Supported {1901}

Truck Engine News

Do Not Use the 261-3363 Wireless Communication Adapter with Model Year 2007 Cat Engines and Transmissions in On-Highway Trucks {0785, 1930, 7620}
2007/10/01

Engine News

277-4734 Bypass Harness Assembly Allows Cat Electronic Technician (Cat ET) to Communicate with ADEM IV:E2 Electronic Control Modules {0779, 0785, 1901, 1930}
2006/09/04

The Programmable Monitoring System Parameters Have New Descriptions {1901, 1902, 7620}
2007/10/22

A New Electronic Control Module Wash Out Process {1901, 1920}
A New Electronic Control Module Wash Out Process {1901, 1920}

New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}
New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}

Special Instruction

Procedure for Improvement of the Cold Weather Starting Capability{1000, 1250, 1401, 1402, 1450, 1453, 1456, 1900, 7620}
Procedure for Improvement of the Cold Weather Starting Capability{1000, 1250, 1401, 1402, 1450, 1453, 1456, 1900, 7620}

Using the 217-0114 Adapter Cable As {0709, 1901, 1920}
Using the 217-0114 Adapter Cable As {0709, 1901, 1920}

Instructions for Communicating With and Flashing the 10R-4085 Engine Electronic Control Gp and the 10R-1824 Engine Electronic Control Gp {1901, 1920}
Instructions for Communicating With and Flashing the 10R-4085 Engine Electronic Control Gp and the 10R-1824 Engine Electronic Control Gp {1901, 1920}

Diagnostic Code Information for Caterpillar ® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}
Diagnostic Code Information for Caterpillar ^® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}

Procedure to Flash the ADEM 3 Engine Electronic Control Gp {1901, 1920}
Procedure to Flash the ADEM 3 Engine Electronic Control Gp {1901, 1920}

Technical Information Bulletin

Use Electronic Techmician (ET) To Cancel Logged Diagnostic Codes
Use Electronic Techmician (ET) To Cancel Logged Diagnostic Codes

Procedure for Starting an Engine in Cold Weather{1000, 1090, 1250, 1348, 1450, 1453, 1456, 1900}
Procedure for Starting an Engine in Cold Weather{1000, 1090, 1250, 1348, 1450, 1453, 1456, 1900}

A False Diagnostic Code is Generated When Flashing Software in Some Excavators{1901, 1902, 7600, 7610, 7620}
A False Diagnostic Code is Generated When Flashing Software in Some Excavators{1901, 1902, 7600, 7610, 7620}

Testing and Adjusting

Engine Controller Is Abnormal - Troubleshoot - 590
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Troubleshooting

ECM Will Not Communicate with Other Systems or Display Modules
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Event Codes
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Self-Diagnostics
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Flash Programming
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Electronic Service Tool Will Not Communicate with ECM
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Cat Data Link Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

System Overview
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Programming Parameters
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Replacing the ECM
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Diagnostic Codes
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

System Configuration Parameters
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0253 FMI 02 Personality Module mismatch
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

User Defined Shutdown Input Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

ECM Will Not Accept Factory Passwords
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Disassembly and Assembly

Electronic Control Module - Remove and Install
3126B Engines for Caterpillar Built Machines

Engine Electronic Control - Remove and Install
325C Excavator Engine Supplement

Service Magazine

Correction to Information Regarding the Need for Timing Calibration after Replacing the Engine ECM {1901, 1912, 1912}
2002/03/11

New Service Information Tool for CAT Dealers is Now Available {1900}
2002/06/17

New Engine Software for Low Fuel Pressure Setting Improves Performance {7620}
2004/03/01

New Engine Software Is Now Available {1901, 1920, 1929, 7620}
2008/10/13

New Software Is Now Used For The Fuel/Oil Sensor {7620}
2006/02/13

Update on the Factory Password System {1901, 7620}
2008/02/11

Auto Clearing of Diagnostics and Events from Electronic Control Module (ECM) {1901, 1920, 7610, 7620}
2014/01/27

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

Cat® Reman Now Offers Additional Control Modules for Certain Machine Engines {1901, 7610}
2014/10/14

New Machine Software for Cat® Product Link Is Now Available on Certain Cat® Products {7490, 7606, 7610, 7620}
New Machine Software for Cat^® Product Link Is Now Available on Certain Cat^® Products {7490, 7606, 7610, 7620}

Real Time Clock is no Longer Supported {1901}
Real Time Clock is no Longer Supported {1901}

Engine News

The Programmable Monitoring System Parameters Have New Descriptions {1901, 1902, 7620}
2007/10/22

Special Instruction

Diagnostic Code Information for Caterpillar ® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}
Diagnostic Code Information for Caterpillar ^® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}

Service Magazine

277-2362 Transmission Analyzer III Group Offers Upgraded Diagnostic Capabilities {0769, 0779, 0783}
2007/10/22

Auto Clearing of Diagnostics and Events from Electronic Control Module (ECM) {1901, 1920, 7610, 7620}
2014/01/27

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

Cat® Reman Now Offers Additional Control Modules for Certain Machine Engines {1901, 7610}
2014/10/14

Special Instruction

Diagnostic Code Information for Caterpillar ® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}
Diagnostic Code Information for Caterpillar ^® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}

Systems Operation

Tool Control
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Implement Electronic Control Module (Tool)
320C, 322C and 325C Excavators Tool Control System

Testing and Adjusting

Electronic Control Module (ECM) - Flash Program
320C, 322C and 325C Excavators Tool Control System

Connector Contact Identification
320C, 322C and 325C Excavators Tool Control System

Electronic Control Module (ECM) - Replace
320C, 322C and 325C Excavators Tool Control System

Troubleshooting

MID 06A - CID 0145 - FMI 06
320C, 322C and 325C Excavators Tool Control System

Service Magazine

New Software Is Available for Preventing Failures of the Thumb Cylinder on Certain Excavators {5701, 7610, 7620}
2007/10/08

Auto Clearing of Diagnostics and Events from Electronic Control Module (ECM) {1901, 1920, 7610, 7620}
2014/01/27

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

Cat® Reman Now Offers Additional Control Modules for Certain Machine Engines {1901, 7610}
2014/10/14

Engine News

The Programmable Monitoring System Parameters Have New Descriptions {1901, 1902, 7620}
2007/10/22

New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}
New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}

Operation and Maintenance Manual

Machine Security System - If Equipped
325C Excavator

Special Instruction

Installation of the Machine Security System (MSS) Universal Attachment Kit {7631, 7631}
Installation of the Machine Security System (MSS) Universal Attachment Kit {7631, 7631}

Diagnostic Code Information for Caterpillar ® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}
Diagnostic Code Information for Caterpillar ^® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Service Letter-Australia

PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Service Letter-CFEL

PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Service Letter-CSARL

PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Service Letter-Americas

PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Technical Information Bulletin

Compatibility Between The Attachment Controller Software, Electronic Technician (ET), And Monitor Software To The Standard Controller
Compatibility Between The Attachment Controller Software, Electronic Technician (ET), And Monitor Software To The Standard Controller

A False Diagnostic Code is Generated When Flashing Software in Some Excavators{1901, 1902, 7600, 7610, 7620}
A False Diagnostic Code is Generated When Flashing Software in Some Excavators{1901, 1902, 7600, 7610, 7620}

Tool Operating Manual

Communication Adapter II{0600, 0709, 7600, 7610}
Communication Adapter II{0600, 0709, 7600, 7610}

Service Letter-China

PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Service Letter-Asia

PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Systems Operation

General Information (Electronic Control System)
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Engine and Hydraulic Pump Controller
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Related Components
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Engine and Pump Regulation
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Pump Regulation
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Engine Speed Control
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Automatic Engine Control
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

One Touch Low Idle
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Tool Control
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Straight Travel Control
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Engine Speed Protection
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Swing Lock System
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Operation of Status Indicator
Machine Security System

Protected Functions
Machine Security System

Diagnostic Operation
Machine Security System

Events
Machine Security System

Service Operation Using Machine Security System
Machine Security System

Key Information
Machine Security System

Service Operation Using Service Tool
Machine Security System

Electronic Control Module (ECM)
Machine Security System

System Overview
Machine Security System

Scheduled Access - "Security System Bypass Times"
Machine Security System

Backup System
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

General Information
Machine Security System

Normal Operation
Machine Security System

System Components
Machine Security System

Cat Data Link
Machine Security System

General Information
MSS3s Machine Security System

System Overview
MSS3s Machine Security System

Normal Operation
MSS3s Machine Security System

Operation of Status Indicator
MSS3s Machine Security System

Key Information
MSS3s Machine Security System

Scheduled Access - "Security System Bypass Times"
MSS3s Machine Security System

Diagnostic Operation
MSS3s Machine Security System

Events
MSS3s Machine Security System

Protected Functions
MSS3s Machine Security System

Service Operation Using Machine Security System
MSS3s Machine Security System

Service Operation Using Service Tool
MSS3s Machine Security System

Electronic Control Module (ECM)
MSS3s Machine Security System

System Components
MSS3s Machine Security System

Data Links
MSS3s Machine Security System

Service Letter-APD

PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CELLULAR PRODUCT LINK DEVICES ON CERTAIN WHEELED EXCAVATORS, EXCAVATORS, MATERIAL HANDLERS, AND TELEHANDLERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Testing and Adjusting

Initial Troubleshooting Procedure
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Using Service Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Adjust Clock Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Switch Status Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Status Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Configuration Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Active Error Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Logged Error Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Logged Event Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Device Test
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Controller - Replace
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Controller Input and Output Values
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Troubleshooting Diagnostic Codes
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Check of Controller LED Indicator - Troubleshoot
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

No Power Supply to Controller - Troubleshoot
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

AEC Is Abnormal - Troubleshoot
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Automatic Travel Speed Change Is Abnormal - Troubleshoot - CID 0598, CID 1161, and CID 1162
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Swing Is Inoperable - Troubleshoot - CID 374
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Controller Connector Contact Identification
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

System Schematic
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

General Information
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Using Caterpillar Electronic Technician
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Glossary of Terms
Machine Security System

Key - Program
Machine Security System

System Disarm - Program - Security System Bypass
Machine Security System

General Information
Machine Security System

Electronic Control Module (ECM) - Replace
Machine Security System

ECM Summary Mode
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Software - Uninstall - "Immobilizer" Feature
Machine Security System

Time - Set
Machine Security System

Product Identification Number - Program
Machine Security System

Electronic Control Module (ECM) - Flash Program
Machine Security System

Factory Password - Obtain
Machine Security System

Communication Problem Between Controller and Monitor - Troubleshoot - "CID 248" and "CID 588"
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

General Information
MSS3s Machine Security System

Product Identification Number - Program
MSS3s Machine Security System

Key - Program
MSS3s Machine Security System

System Disarm - Program - Security System Bypass
MSS3s Machine Security System

Factory Password - Obtain
MSS3s Machine Security System

Time - Set
MSS3s Machine Security System

Glossary of Terms
MSS3s Machine Security System

Software - Uninstall - "Immobilizer" Feature
MSS3s Machine Security System

Troubleshooting

Using Caterpillar Electronic Technician to Determine Diagnostic Codes
Machine Security System

Lost Key
Machine Security System

Diagnostic Code List
Machine Security System

General Information
Machine Security System

Engine Does Not Crank and Status Indicator Is Green
Machine Security System

Engine Does Not Start and Status Indicator Is Continuously Red
Machine Security System

MID 124 - CID 0248 - FMI 12
Machine Security System

MID 124 - CID 0817 - FMI 04
Machine Security System

MID 124 - CID 1391 - FMI 03
Machine Security System

MID 124 - CID 1391 - FMI 04
Machine Security System

MID 124 - CID 1392 - FMI 03
Machine Security System

MID 124 - CID 1392 - FMI 04
Machine Security System

Lost Key (MSS)
MSS3s Machine Security System

Engine Does Not Crank and Status Indicator Is Green
MSS3s Machine Security System

Engine Does Not Start and Status Indicator Is Continuously Red
MSS3s Machine Security System

ECM Output Driver - Test
MSS3s Machine Security System

ECM Software - Install
MSS3s Machine Security System

ECM - Replace
MSS3s Machine Security System

ECM - Configure
MSS3s Machine Security System

Service Magazine

Hour Meter Reading for the Travel Motor Is Now Available {1408, 4351, 7610}
2002/12/23

Information on Flash Files Is Now Available on SIS Web {7610, 7620}
2003/03/24

The Accuracy of the Clock Time in the Cab has Been Improved. {7610, 7620}
2003/11/17

Disregard theService Magazine , "Correction to Systems Operation Testing and Adjusting , "Engine Speed Control"" {1931}
2003/07/28

New Software Is Available for Preventing Failures of the Thumb Cylinder on Certain Excavators {5701, 7610, 7620}
2008/10/13

A New Version of Caterpillar Electronic Technician (ET) is Now Available {0785, 7600, 7610}
2008/05/19

New Software and a New Rotary Switch Improve the Reliability of the Engine Speed Dial on Excavators {1408, 7332, 7610, 7620}
2011/07/14

A New Electronic Control Module is Now Available to Improve the Reliability of the Machine on Certain Excavators {7600, 7610}
2009/08/31

New Firmware Is Now Available for Communications Adapter 3 {7610, 7620}
2011/10/20

Auto Clearing of Diagnostics and Events from Electronic Control Module (ECM) {1901, 1920, 7610, 7620}
2014/01/27

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

Cat® Reman Now Offers Additional Control Modules for Certain Machine Engines {1901, 7610}
2014/10/14

Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}
Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}

New Machine Software for Cat® Product Link Is Now Available on Certain Cat® Products {7490, 7606, 7610, 7620}
New Machine Software for Cat^® Product Link Is Now Available on Certain Cat^® Products {7490, 7606, 7610, 7620}

Correction to Systems Operation Testing and Adjusting , "Engine Speed Control" {1435, 7332}
2002/06/24

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-China

Service Letter-Asia

Service Letter-APD

Testing and Adjusting

Electronic Control Module (ECM) - Replace
Machine Security System

Electronic Control Module (ECM) - Flash Program
320C, 322C and 325C Excavators Tool Control System

Electronic Control Module (ECM) - Flash Program
Machine Security System

Service Magazine

Cat® Reman Now Offers Additional Control Modules for Certain Machine Engines {1901, 7610}
2014/10/14

Special Instruction

Cat® VIMS Converter Functionality {7610, 7620}
Cat^® VIMS Converter Functionality {7610, 7620}

2 Wire and 4 Wire Ethernet Repair Procedure on All Cat® Products {1408}
2 Wire and 4 Wire Ethernet Repair Procedure on All Cat^® Products {1408}

Installation Procedure to Retrofit a PL321VSR Electronic Control Module (ECM) With a Pro Product Link PL641 or PL631 or PL542 Systems {7606}
Installation Procedure to Retrofit a PL321VSR Electronic Control Module (ECM) With a Pro Product Link PL641 or PL631 or PL542 Systems {7606}

Installation Procedure to Retrofit a PL522 or PL523 With a Pro Product Link PL641 or PL631 or PL542 System {7606}
Installation Procedure to Retrofit a PL522 or PL523 With a Pro Product Link PL641 or PL631 or PL542 System {7606}

Service Magazine

Auto Clearing of Diagnostics and Events from Electronic Control Module (ECM) {1901, 1920, 7610, 7620}
2014/01/27

"Maintenance Mode" in Product Link is Used to Prevent Codes From Being Transmitted When Performing Service to a Machine or Engine {7606}
2014/11/24

Instructions for Preventing Utilization Messages Being Reported with Duplicate Time Stamps from PL321VSR Satellite Devices {7601}
2015/09/02

New Software Is Now Available for Cat® Product Link {7606, 7610, 7620}
New Software Is Now Available for Cat^® Product Link {7606, 7610, 7620}

New Machine Software for Cat® Product Link Is Now Available on Certain Cat® Products {7490, 7606, 7610, 7620}
New Machine Software for Cat^® Product Link Is Now Available on Certain Cat^® Products {7490, 7606, 7610, 7620}

A New Special Instruction for Installation Procedure to Retrofit a PL321VSR Electronic Control Module (ECM) With a Pro Product Link PL641 or PL631 or PL542 Systems is Now Available {7606}
A New Special Instruction for Installation Procedure to Retrofit a PL321VSR Electronic Control Module (ECM) With a Pro Product Link PL641 or PL631 or PL542 Systems is Now Available {7606}

A New Special Instruction for Installation Procedure to Retrofit a PL522 or PL523 With a Pro Product Link PL641 or PL631 or PL542 Systems is Now Available {7606}
A New Special Instruction for Installation Procedure to Retrofit a PL522 or PL523 With a Pro Product Link PL641 or PL631 or PL542 Systems is Now Available {7606}

Event Identification Number (EID) Above 60000 is Now Used on All Cat® Products {1400}
Event Identification Number (EID) Above 60000 is Now Used on All Cat^® Products {1400}

Improved End - of - Line - Test Fixture for the Product Link Antenna is Now Used {7606}
2006/11/13

A New Halogen Lamp Is Now Available for Certain Cat Products {1434}
2011/06/29

An Improved Halogen Lamp is Now Available for Certain Excavators {1434}
2015/09/11

An Improved Starting Motor is Now Available {1453}
2007/10/15

A New Starter Solenoid is Now Available {1467}
2008/03/17

Operation and Maintenance Manual

Circuit Breakers - Reset
325C Excavator

Special Instruction

Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}

Service Magazine

Correction to Service Magazine , "A New Fuse Box Cover Is Now Used" {1417}
2005/03/21

Special Instruction

Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}

Service Magazine

Parts are Now Available to Make Jump Start Receptacle on Cat® Product {1463}
2014/03/04

Systems Operation

Senders
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Senders
320C, 322C and 325C Excavators Tool Control System

Service Magazine

Improvements to the Fuel Sender Group {1273, 1408, 6201, 7481, 7857}
2010/10/25

Special Instruction

Selecting Correct Part Numbers For Sensors and Adapter Harnesses for Certain Machines and Engines{1408, 1439}
Selecting Correct Part Numbers For Sensors and Adapter Harnesses for Certain Machines and Engines{1408, 1439}

Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}

Technical Information Bulletin

Failure Of Water In Fuel Separator (WIF) Sensor On Certain CAT Products{1263, 1439}
Failure Of Water In Fuel Separator (WIF) Sensor On Certain CAT Products{1263, 1439}

Specifications

Engine Oil Pressure Sensor - If Equipped
3126B Engine for Caterpillar Built Machines

Atmospheric Pressure Sensor - If Equipped
3126B Engine for Caterpillar Built Machines

Inlet Air Temperature Sensor
3126B Engine for Caterpillar Built Machines

Injection Actuation Pressure Sensor
3126B Engine for Caterpillar Built Machines

Coolant Temperature Sensor
3126B Engine for Caterpillar Built Machines

Engine Oil Temperature Sensor
3126B Engine for Caterpillar Built Machines

Fuel Pressure Sensor
3126B Engine for Caterpillar Built Machines

Speed/Timing Sensor
3126B Engine for Caterpillar Built Machines

Turbocharger Outlet Pressure Sensor
3126B Engine for Caterpillar Built Machines

Turbocharger Inlet Pressure Sensor
3126B Engine for Caterpillar Built Machines

Speed Sensor
3126B Engine for Caterpillar Built Machines

Tool Operating Manual

Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Systems Operation

Sensors
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Sensors
320C, 322C and 325C Excavators Tool Control System

Reuse And Salvage Guidelines

Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}

Testing and Adjusting

Speed Sensor - Replace
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Check of Speed Sensor - Troubleshoot - CID 190
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Troubleshooting

CID 0261 FMI 13 Engine Timing Calibration required
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0100 FMI 03 Engine Oil Pressure open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0100 FMI 04 Engine Oil Pressure short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0172 FMI 03 Intake Manifold Air Temp open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0172 FMI 04 Intake Manifold Air Temp short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0262 FMI 04 5 Volt Sensor DC Power Supply short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0273 FMI 03 Turbo Outlet Pressure open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0273 FMI 04 Turbo Outlet Pressure short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0274 FMI 03 Atmospheric Pressure open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0274 FMI 04 Atmospheric Pressure short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0041 FMI 04 8 Volt DC Supply short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0094 FMI 03 Fuel Pressure open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0094 FMI 04 Fuel Pressure short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0110 FMI 03 Engine Coolant Temperature open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0110 FMI 04 Engine Coolant Temperature short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 00 High Injector Actuation Pressure
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 03 Injector Actuation Pressure voltage high
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0175 FMI 03 Engine Oil Temperature open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0175 FMI 04 Engine Oil Temperature short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0041 FMI 03 8 Volt DC Supply short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Sensors and Electrical Connectors
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0091 FMI 08 Throttle Position signal abnormal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 11 Injector Actuation Pressure system fault
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0190 FMI 02 Loss of Engine Speed Signal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0190 FMI 11 Engine Speed Sensor mechanical failure
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

5 Volt Engine Pressure Sensor Supply Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Engine Speed/Timing Sensor Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Engine Speed/Timing Sensor - Calibrate
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 02 Injector Actuation Pressure signal erratic
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0342 FMI 02 Loss of Secondary Engine Speed signal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Engine Temperature Sensor Open or Short Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 04 Injector Actuation Pressure voltage low
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Engine Pressure Sensor Open or Short Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0342 FMI 11 Secondary Engine Speed Sensor mechanical failure
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

MID 06A - CID 1609 - FMI 03
320C, 322C and 325C Excavators Tool Control System

MID 06A - CID 1609 - FMI 04
320C, 322C and 325C Excavators Tool Control System

Injection Actuation Pressure Sensor - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0262 FMI 03 5 Volt Sensor DC Power Supply short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

MID 122 - CID 0269 - FMI 03
Product Link 121S/300

MID 122 - CID 0269 - FMI 04
Product Link 121S/300

Disassembly and Assembly

Temperature Sensor (Cab Air) - Remove and Install
325C Excavator Machine Systems

Temperature Sensor (Ambient Air) - Remove and Install
325C Excavator Machine Systems

Coolant Temperature Sensor - Remove and Install
325C Excavator Machine Systems

Temperature Sensor (Cab Air) - Remove and Install
325C LCR Excavator Machine Systems

Temperature Sensor (Ambient Air) - Remove and Install
325C LCR Excavator Machine Systems

Service Magazine

Correction to Information Regarding the Need for Timing Calibration after Replacing the Engine ECM {1901, 1912, 1912}
2002/03/11

A New Speed Sensor is Available {1907}
2004/03/08

New Engine Software Is Now Available {1901, 1920, 1929, 7620}
2008/10/13

Troubleshooting the "Water Separator Has Water" Warning Message {1263, 1439}
2014/08/13

Preventing Oil Leaks from the Pressure Sensors on the Main Hydraulic Pump {5057, 5070}
2007/04/02

Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2013/02/28

New Liquid Level Sensor Gp Is Now Used as Service Replacement on Certain Cat Products {1263, 7422}
2013/04/02

Disassembly and Assembly

Air Inlet Heater Solenoid - Remove and Install
3126B Engines for Caterpillar Built Machines

Operation and Maintenance Manual

Ether Starting Aid Cylinder - Replace - If Equipped
325C Excavator

Ether Starting Aid Switch - If Equipped
325C Excavator

Special Instruction

Procedure for Improvement of the Cold Weather Starting Capability{1000, 1250, 1401, 1402, 1450, 1453, 1456, 1900, 7620}
Procedure for Improvement of the Cold Weather Starting Capability{1000, 1250, 1401, 1402, 1450, 1453, 1456, 1900, 7620}

Technical Information Bulletin

Procedure for Starting an Engine in Cold Weather{1000, 1090, 1250, 1348, 1450, 1453, 1456, 1900}
Procedure for Starting an Engine in Cold Weather{1000, 1090, 1250, 1348, 1450, 1453, 1456, 1900}

Proper Assembly Sequences for Installing Air Inlet Heater Relay (12VDC Relay: 175-2301 Magnetic Switch, 24VDC Relay: 148-0757 Magnetic Switch){1090, 1408}
Proper Assembly Sequences for Installing Air Inlet Heater Relay (12VDC Relay: 175-2301 Magnetic Switch, 24VDC Relay: 148-0757 Magnetic Switch){1090, 1408}

Service Magazine

A New Ether Cylinder O-ring is Now Used on All Caterpillar Products {1456}
2013/09/24

A New Wiring Harness Is Available in Order To Prevent Hard Starting of the Engine {1403, 1408}
2006/09/18

Engine News

Caterpillar Remanufactured Electric Starting Motors Are Improved {1453}
2011/05/16

Special Instruction

Caterpillar PRELUB® Diagnostics{1469}
Caterpillar PRELUB^® Diagnostics{1469}

Starting Motor Solenoid - Replace {1467}
Starting Motor Solenoid - Replace {1467}

Procedure for Improvement of the Cold Weather Starting Capability{1000, 1250, 1401, 1402, 1450, 1453, 1456, 1900, 7620}
Procedure for Improvement of the Cold Weather Starting Capability{1000, 1250, 1401, 1402, 1450, 1453, 1456, 1900, 7620}

Installation of New Shift Lever Assembly for All Starter Motors {1453}
Installation of New Shift Lever Assembly for All Starter Motors {1453}

Procedure to Install the Insulator on to Series Starters on All Engines {1453}
Procedure to Install the Insulator on to Series Starters on All Engines {1453}

Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}
Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}

Procedure to Install Terminal Kit on All Engines {1453}
Procedure to Install Terminal Kit on All Engines {1453}

Procedure to Install Brush Holder Assembly in All Engines {1453}
Procedure to Install Brush Holder Assembly in All Engines {1453}

Procedure to Replace Armature of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Armature of Starter Motor On All Cat^® Products {1408, 1450, 1453}

Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat^® Products {1408, 1450, 1453}

Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat^® Products {1453}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR RETORQUING BOLTS ON CERTAIN 3126, 3126B, C-9 TRUCK ENGINES, 325C, 325C L, 330C, 330C L MEDIUM EXCAVATORS, 12H MOTOR GRADERS, AND 637G SCRAPERS
PRODUCT SUPPORT PROGRAM FOR RETORQUING BOLTS ON CERTAIN 3126, 3126B, C-9 TRUCK ENGINES, 325C, 325C L, 330C, 330C L MEDIUM EXCAVATORS, 12H MOTOR GRADERS, AND 637G SCRAPERS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Truck/Ag/Marine

Technical Information Bulletin

Procedure for Starting an Engine in Cold Weather{1000, 1090, 1250, 1348, 1450, 1453, 1456, 1900}
Procedure for Starting an Engine in Cold Weather{1000, 1090, 1250, 1348, 1450, 1453, 1456, 1900}

Specifications

Starting Motor
37-MT, 41-MT, and 42-MT Series Starting Motors

Electric Starting Motor
3126B Engine for Caterpillar Built Machines

Service Letter-China

PRODUCT SUPPORT PROGRAM FOR RETORQUING BOLTS ON CERTAIN 3126, 3126B, C-9 TRUCK ENGINES, 325C, 325C L, 330C, 330C L MEDIUM EXCAVATORS, 12H MOTOR GRADERS, AND 637G SCRAPERS
PRODUCT SUPPORT PROGRAM FOR RETORQUING BOLTS ON CERTAIN 3126, 3126B, C-9 TRUCK ENGINES, 325C, 325C L, 330C, 330C L MEDIUM EXCAVATORS, 12H MOTOR GRADERS, AND 637G SCRAPERS

Service Letter-Asia

Systems Operation

General Information
37-MT, 41-MT, and 42-MT Series Starting Motors

Component Description
37-MT, 41-MT, and 42-MT Series Starting Motors

Normal Operation
37-MT, 41-MT, and 42-MT Series Starting Motors

Service Letter-APD

PRODUCT SUPPORT PROGRAM FOR RETORQUING BOLTS ON CERTAIN 3126, 3126B, C-9 TRUCK ENGINES, 325C, 325C L, 330C, 330C L MEDIUM EXCAVATORS, 12H MOTOR GRADERS, AND 637G SCRAPERS
PRODUCT SUPPORT PROGRAM FOR RETORQUING BOLTS ON CERTAIN 3126, 3126B, C-9 TRUCK ENGINES, 325C, 325C L, 330C, 330C L MEDIUM EXCAVATORS, 12H MOTOR GRADERS, AND 637G SCRAPERS

Testing and Adjusting

Pinion Clearance - Adjust
3126B Engines

Electric Starting System - Test
3126B Engines

No Load - Test
37-MT, 41-MT, and 42-MT Series Starting Motors

Brush and Brush Holder - Check
37-MT, 41-MT, and 42-MT Series Starting Motors

Pinion Clearance - Adjust
37-MT, 41-MT, and 42-MT Series Starting Motors

Starting Motor Solenoid - Test
37-MT, 41-MT, and 42-MT Series Starting Motors

Troubleshooting

Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
37-MT, 41-MT, and 42-MT Series Starting Motors

Starting Motor Does Not Turn or Turns Slowly
37-MT, 41-MT, and 42-MT Series Starting Motors

General Information
37-MT, 41-MT, and 42-MT Series Starting Motors

Disassembly and Assembly

Electric Starting Motor - Remove and Install
3126B Engines for Caterpillar Built Machines

Starting Motor - Disassemble - 37-MT and 41-MT
37-MT, 41-MT, and 42-MT Series Starting Motors

Electric Starting Motor - Remove and Install - Engine in Chassis
325C Excavator 3126B Engine Supplement

General Information
37-MT, 41-MT, and 42-MT Series Starting Motors

Starting Motor - Assemble - 37-MT and 41-MT
37-MT, 41-MT, and 42-MT Series Starting Motors

Starting Motor - Disassemble - 42-MT
37-MT, 41-MT, and 42-MT Series Starting Motors

Starting Motor - Assemble - 42-MT
37-MT, 41-MT, and 42-MT Series Starting Motors

Electric Starting Motor - Remove and Install
325C Excavator Engine Supplement

Service Magazine

Examine Failed Starting Motors to Understand the Reason for Failure {1453}
2002/10/28

Operation and Maintenance Manual

Engine Start Switch
325C Excavator

Light Switches
325C Excavator

Battery Disconnect Switch
325C Excavator

Light Switches
325C Excavator

Special Instruction

Procedure to Install 169-9513 Hydraulic Kit on Certain Excavators{1408, 5057, 5479, 6129}
Procedure to Install 169-9513 Hydraulic Kit on Certain Excavators{1408, 5057, 5479, 6129}

Repair/Replacement Procedure for 5C-6108 Refueling Switch {1295}
Repair/Replacement Procedure for 5C-6108 Refueling Switch {1295}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS

Service Letter-Australia

PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L
PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L

Service Letter-CFEL

PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L
PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L

Service Letter-CSARL

PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS

Service Letter-Americas

Technical Information Bulletin

Machine Start Switch Key May Not Fit Properly{1416}
Machine Start Switch Key May Not Fit Properly{1416}

Service Letter-China

PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L
PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L

Service Letter-Asia

PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L
PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L

Systems Operation

Switches
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Switches
320C, 322C and 325C Excavators Tool Control System

Pressure Switch (Refrigerant)
Air Conditioning and Heating R134a for All Caterpillar Machines

Service Letter-APD

PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE 163-6785 SWITCH ASSEMBLY, IF FAILED, ON CERTAIN 311C, 312C, 315C, 318C, 319C, 320C, 322C, 325C, AND 330C EXCAVATORS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L
PRODUCT SUPPORT PROGRAM FOR REPLACING THE OIL LEVEL SENSORS FOR ENGINE OIL AND HYDRAULIC OIL ON CERTAIN 320C, 325C, 325C L, 330C AND 330C L

Testing and Adjusting

Low Idle Switch Does Not Work - Troubleshoot
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Troubleshooting

Throttle Switch Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Service Magazine

Correction to Systems Operation Testing and Adjusting , "Engine Speed Control" {1435, 7332}
2002/06/24

The Oil Level Switch for the Engine Oil and for the Hydraulic Oil Is Improved {1302, 5056, 7422}
2011/08/03

Key Must Be Oriented Correctly in Order to Avoid Damage to the Key or Start Switch {1416}
2003/10/27

A New Oil Pressure Switch is Now Available {7421}
2005/05/09

Troubleshooting Procedures for the Control Panel {1408, 1802, 5057, 5258, 5479, 7490}
2006/02/06

A New Backup Switch for the Engine Speed Control Is Available {1408, 1435}
2006/11/27

Investigation of the Liquid Level Switch on the Engine Oil Pan and on the Hydraulic Tank for Excavators {1302, 1408, 5056, 5068, 7422}
2009/08/31

Troubleshooting the Rotary Switch Assembly for the Engine Speed {1408, 7332}
2008/08/18

New Software and a New Rotary Switch Improve the Reliability of the Engine Speed Dial on Excavators {1408, 7332, 7610, 7620}
2011/07/14

Improved Procedure for Verifying the Operation of the Battery Disconnect System. {1411}
2009/04/06

New Pressure Switch Is Now Used For Air Conditioner Refrigerant On Certain Cat Products {1435, 1809}
2011/06/06

An Improved 5P-8500 Key Is Now Available {1416, 1416, 7000, 7000}
2011/12/01

Truck Engine News

Coolant/Battery Tester Group Quickly Tests Coolant and Battery Acid {0773, 0785}
2004/12/27

Do Not Use the 261-3363 Wireless Communication Adapter with Model Year 2007 Cat Engines and Transmissions in On-Highway Trucks {0785, 1930, 7620}
2007/10/01

Engine News

The 237-5130 Digital Multimeter Gp Features a Built-in Infrared Thermometer {0785}
2004/04/19

Coolant/Battery Tester Group Quickly Tests Coolant and Battery Acid {0773, 0785}
2004/12/27

260-5800 Electrical Test Group Packages Digital Multimeter, Clamp-on Ammeter, Current Detector, and Test Leads in Convenient Carrying Case {0785}
2005/03/01

270-5051 Repair Kit (Electrical Connectors) Available for Repairs to Wiring Harnesses with Ampseal 16 and A4E 2 Connectors {0709, 1408}
2006/03/20

Enhanced Voltmeter Leads Are Now Available {0785}
2006/02/01

Test Cable Group Checks Three-Wire, Active Analog Circuits That Are Used in Sensors {0779, 0785}
2006/10/16

277-4734 Bypass Harness Assembly Allows Cat Electronic Technician (Cat ET) to Communicate with ADEM IV:E2 Electronic Control Modules {0779, 0785, 1901, 1930}
2006/09/04

Special Instruction

An Aid To Reading Multimeter Scales{0785}
An Aid To Reading Multimeter Scales{0785}

Tool Operating Manual

348-5430 Multi-Tool Gp 2 {0709, 0769, 0785}
348-5430 Multi-Tool Gp 2 {0709, 0769, 0785}

NEHS1032: 538-5051 Communications Adapter 3 {0599, 0709, 1900, 4800, 7490, 7600}
NEHS1032: 538-5051 Communications Adapter 3 {0599, 0709, 1900, 4800, 7490, 7600}

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}

Using the Communications Adapter 3{1900}
Using the Communications Adapter 3{1900}

Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}

146-4080 Digital Multimeter Specification, Testing, and Maintenance Manual{0374, 0599, 0709}
146-4080 Digital Multimeter Specification, Testing, and Maintenance Manual{0374, 0599, 0709}

Communication Adapter II{0600, 0709, 7600, 7610}
Communication Adapter II{0600, 0709, 7600, 7610}

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}

131-5051 Dataview Group and Dataview Portable Tech Station Group{0374, 0599, 0701, 0709}
131-5051 Dataview Group and Dataview Portable Tech Station Group{0374, 0599, 0701, 0709}

Using the 4C-8195 Control Service Tool{0374, 0599, 0709, 7490}
Using the 4C-8195 Control Service Tool{0374, 0599, 0709, 7490}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

NEHS1270 TesLite and LoadProCables {0374, 0599, 0709, 0734}
NEHS1270 TesLite and LoadProCables {0374, 0599, 0709, 0734}

M0090131 Battery Analyzer 480-4181 (484-4859 Group) {0374, 0599, 0709, 1401, 7468}
M0090131 Battery Analyzer 480-4181 (484-4859 Group) {0374, 0599, 0709, 1401, 7468}

Testing and Adjusting

Using Caterpillar Electronic Technician
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Service Tools
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Troubleshooting

Factory Passwords Worksheet
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Service Tools
37-MT, 41-MT, and 42-MT Series Starting Motors

Electronic Service Tool Will Not Communicate with ECM
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Service Tools
Machine Security System

Using Caterpillar Electronic Technician to Determine Diagnostic Codes
Machine Security System

Using Caterpillar Electronic Technician
320C, 322C and 325C Excavators Tool Control System

Using Caterpillar Electronic Technician to Determine Diagnostic Codes
320C, 322C and 325C Excavators Tool Control System

Service Tools
320C, 322C and 325C Excavators Tool Control System

Electronic Service Tools
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Factory Passwords
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Service Tools
Product Link - PL522/523

Service Tools
Product Link 121S/300

Service Tools
MSS3s Machine Security System

Service Magazine

Diagnostic Cables and Harnesses Are Available {0785}
2014/08/11

Caterpillar Electronic Technician (Cat ET) 2001B-Service Pack 1 Software Upgrade is Now Available {0785}
2002/02/11

New Service Information Tool for CAT Dealers is Now Available {1900}
2002/06/17

2002A Service Pack 1 for Caterpillar Electronic Technician (Cat ET) is Now Available {0785}
2002/08/19

Coolant/Battery Tester Group Quickly Tests Coolant and Battery Acid {0773, 0785}
2004/12/27

260-5800 Electrical Test Group Packages Digital Multimeter, Clamp-on Ammeter, Current Detector, and Test Leads in Convenient Carrying Case {0785}
2005/03/01

The 285-0910 Multi-Tool Gp Incorporates Four Diagnostic Tools into a Single, Hand Held Unit {0774, 0779, 0781, 0782}
2006/12/04

New 271-8590 Analyzer Gp (24-Volt) Quickly Identifies Starting and Charging System Problems {0709, 1406}
2006/10/02

277-2362 Transmission Analyzer III Group Offers Upgraded Diagnostic Capabilities {0769, 0779, 0783}
2007/10/22

Updated Instruction For The Bypass Harness {0785, 1408}
2008/03/17

New Firmware Is Now Available for Communications Adapter 3 {7610, 7620}
2011/10/20

New Software For Cat® ET Can Now Be Used For All Caterpillar Products {0785, 7606}
2013/08/15

A New Communication Adapter Cable As Is Now Available For Certain Cat Products {0785}
2014/11/10

Comprehensive List of Electrical Repair and Troubleshooting Information Is Now Available for All CAT Machines {0374, 0709, 1400, 1408, 7490, 7553, 7610}
Comprehensive List of Electrical Repair and Troubleshooting Information Is Now Available for All CAT Machines {0374, 0709, 1400, 1408, 7490, 7553, 7610}

Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}
Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}

Systems Operation

Solenoid Valve (Proportional Reducing) - Power Shift System
325C Excavator Hydraulic System

Solenoid Valves
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Solenoid Valve (Proportional Reducing) - Power Shift System
325C LCR Excavator Hydraulic System

Testing and Adjusting

Proportional Reducing Valve - Calibrate - Power Shift
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Proportional Reducing Valve Sweep - Test - Power Shift
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Check of Proportional Reducing Valve - Troubleshoot - CID 581
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Special Instruction

Installation of 244-1090 Alarm Gp {7400, 7402, 7407}
Installation of 244-1090 Alarm Gp {7400, 7402, 7407}

Engine News

Correction to The Pocket Guide, SEBD0402 Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
2000/07/01

Operation and Maintenance Manual

Engine Start Switch
325C Excavator

Battery or Battery Cable - Inspect/Replace
325C Excavator

Battery - Recycle
325C Excavator

Service Hour Meter
325C Excavator

Power Receptacle - If Equipped
325C Excavator

Window (Power) - If Equipped
325C Excavator

Window Wiper and Washer Control
325C Excavator

Quick Coupler Control - If Equipped
325C Excavator

Battery Disconnect Switch
325C Excavator

Service Hour Meter
325C Excavator

Power Receptacle - If Equipped
325C Excavator

Quick Coupler Control - If Equipped
325C Excavator

Fuses - Replace
325C Excavator

Special Instruction

Cross-Reference for Electrical Connectors {7553}
Cross-Reference for Electrical Connectors {7553}

Procedure to Install 169-9513 Hydraulic Kit on Certain Excavators{1408, 5057, 5479, 6129}
Procedure to Install 169-9513 Hydraulic Kit on Certain Excavators{1408, 5057, 5479, 6129}

Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}

Installation Procedure for 366-9748 Injector Wiring Harness Kit {1254, 1290, 1408}
Installation Procedure for 366-9748 Injector Wiring Harness Kit {1254, 1290, 1408}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING
PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS

Service Letter-Australia

PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING
PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS

Service Letter-CFEL

PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING
PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS

Service Letter-CSARL

PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING
PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS

Service Letter-Americas

PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING
PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS

Technical Information Bulletin

The Circuit Breaker For The Heating And Air Conditioning Fan
The Circuit Breaker For The Heating And Air Conditioning Fan

Specifications

Electronic Control Wiring Group
3126B Engine for Caterpillar Built Machines

Service Letter-China

PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING
PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS

Service Letter-Asia

PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING
PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS

Systems Operation

Switches
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Sensors
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Senders
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

General Information (Electrical System)
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Power Circuit
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Start and Stop Circuit
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Low Current Circuit
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Starting Aid Circuit
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Senders
320C, 322C and 325C Excavators Tool Control System

Switches
320C, 322C and 325C Excavators Tool Control System

Relays
320C, 322C and 325C Excavators Tool Control System

Sensors
320C, 322C and 325C Excavators Tool Control System

Service Letter-APD

PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING
PRODUCT SUPPORT PROGRAM FOR INSTALLING A CHECK VALVE AND NEEDLE VALVE IN THE HYDRAULIC SYSTEM, AND FLASHING NEW MACHINE SOFTWARE ON CERTAIN 322C, 325C, M325C, 330C, 330C L EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES IN ORDER TO PREVENT HYDRAULIC OIL OVERCOOLING

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ENGINE HARNESS ON CERTAIN 322C AND 325C EXCAVATORS

Testing and Adjusting

Electric Starting System - Test
3126B Engines

Speed Sensor - Replace
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Harness and Wire Identification
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Check of Speed Sensor - Troubleshoot - CID 190
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Engine Speed Dial Does Not Work - Troubleshoot - CID 586
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Low Idle Switch Does Not Work - Troubleshoot
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

System Schematic
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Electrical Components And Connector Locations
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2

Switch Status - Check
320C, 322C and 325C Excavators Tool Control System

System Schematic
Machine Security System

Troubleshooting

Harness and Wire Identification
320C, 322C and 325C Excavators Tool Control System

Relay (Hydraulic Activation)
320C, 322C and 325C Excavators Tool Control System

Electrical Connectors - Inspect
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Electrical Component and Connector Locations
320C, 322C and 325C Excavators Tool Control System

CID 0100 FMI 03 Engine Oil Pressure open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0100 FMI 04 Engine Oil Pressure short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0172 FMI 03 Intake Manifold Air Temp open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0172 FMI 04 Intake Manifold Air Temp short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0262 FMI 04 5 Volt Sensor DC Power Supply short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0273 FMI 03 Turbo Outlet Pressure open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0273 FMI 04 Turbo Outlet Pressure short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0274 FMI 03 Atmospheric Pressure open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0274 FMI 04 Atmospheric Pressure short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0110 FMI 03 Engine Coolant Temperature open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0110 FMI 04 Engine Coolant Temperature short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 00 High Injector Actuation Pressure
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 03 Injector Actuation Pressure voltage high
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0175 FMI 03 Engine Oil Temperature open/short to +batt
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0175 FMI 04 Engine Oil Temperature short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Sensors and Electrical Connectors
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0091 FMI 08 Throttle Position signal abnormal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 11 Injector Actuation Pressure system fault
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0190 FMI 02 Loss of Engine Speed Signal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0190 FMI 11 Engine Speed Sensor mechanical failure
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0617 FMI 05 Air Inlet Heater Relay open/current below normal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 1627 FMI 05 Fuel Pump Relay open circuit
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 1627 FMI 06 Fuel Pump Relay short to ground
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Throttle Switch Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Low Engine Oil Pressure Lamp Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Fuel Pump Relay Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 02 Injector Actuation Pressure signal erratic
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0342 FMI 02 Loss of Secondary Engine Speed signal
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Air Inlet Heater Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0164 FMI 04 Injector Actuation Pressure voltage low
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Engine Pressure Sensor Open or Short Circuit - Test
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

CID 0342 FMI 11 Secondary Engine Speed Sensor mechanical failure
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Engine Wiring Information
3126B Engines for 322C, 325C, and M325C Excavators and for the 325C Mobile Hydraulic Power Unit

Service Magazine

Correction to The Pocket Guide, SEBD0402, Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
2000/06/26

Dielectric Grease Should Not Be Used in Electrical Connectors {1408, 7553}
2000/10/09

Hour Meter Reading for the Travel Motor Is Now Available {1408, 4351, 7610}
2002/12/23

The Main Power Relay Has Improved Sealing {1423}
2002/11/18

The Pressure Sensors for the Main Hydraulic Pump and the Coil for the Refrigerant Compressor are Improved {1408, 1802, 5057, 5059, 5456}
2004/06/21

New Plate Available To Prevent Damage To Harness {1408}
2004/02/09

An Improved Expansion Tank Assembly Is Now Used {1353, 1374, 1408}
2004/12/20

A New Plate Is Available to Prevent Damage to the Harness {1408, 5258}
2004/04/19

A New Angle Prevents Damage to the Wiring Harness {1408}
2004/10/04

325C CR TRACK-TYPE EXCAVATOR /COMPACT RADIUS HYDRA/ BKW00343-UP (MACHINE) ELECTRICAL AND STARTING SYSTEM Caterpillar SIS

Parts group 325C:

Information:

Truck sale: