BAR -ALIGNT 6V2043 - Caterpillar

Illustration 1 g00728634
Vacuum pump test unit (1) 4C-3973 Connector (2) Pressure sensor (3) Tee (4) 9X-0263 Adapter (5) 1U-5718 Vacuum Pump (6) 169-7372 Fluid Sampling Bottle Note: Similar parts may be used to build the vacuum pump test unit. The vacuum pump test unit can be used with the 1U-5470 Engine Pressure Group .Electronic Technician
The Caterpillar Electronic Technician (ET) is designed to run on a personal computer. Cat ET can display the status of a group of parameters. Cat ET can display the following information:
Sensor values
Diagnostic codes
Engine configurationCat ET can perform the following functions:
Diagnostic tests
Sensor calibration
Flash downloading
Set programmable parametersThe following components are required to use Cat ET to service the engine.
Table 3
Required Electronic Service Tools for the Use of Cat ET    
Part Number    Description    
N/A     Requirements
IBM PC compatible 100 MHz processor
32 megabyte of RAM
10 megabyte of available hard drive space
CD-ROM drive
3.5" 1.44-MB floppy disk drive
Windows NT or Windows 95
RS232 port with "16550AF UART"
VGA monitor or display    
N/A     Recommended
Intel Pentium II 333 mHz processor
64 megabyte of RAM
4.3 gigabyte hard drive
CD-ROM drive 14X speed    
JERD2124     License for Cat ET    
JERD2129     Data Subscription for all engines and machines    
NEHS0758 (1)     Service Program Module for the 171-4401 Communication Adapter II    
160-0141 (2)     Adapter Cable As (Cat Data Link)    
207-6845 (2)     Adapter Cable As    
171-4401 (2)     Communication Adapter II for use between Cat ET and the ECM    
237-7547 (3)     Adapter Cable As    
( 1 ) The subscription will be updated at regular intervals.
( 2 ) This part number is part of the 171-4400 Communication Adapter II Group .
( 3 ) The 237-7547 Adapter Cable As is required to connect to the USB port on computers that are not equipped with a RS232 serial port.Connecting Cat ET and the Communication Adapter II
Illustration 2 g00647144
(1) Personal computer (2) 160-0141 Data Link Cable (3) 171-4401 Communication Adapter II (4) 207-6845 Data Link Cable The service tool connector provides the Communication Adapter II with 24 VDC. Use the following procedure to connect the Cat ET and the Communication Adapter II to the engine.
Turn the engine control to the OFF position.
Turn the Battery disconnect switch to the OFF position.
Connect the 207-6845 Data Link Cable between the J42 service tool connector and the control connector on the 171-4401 Communication Adapter II .
Connect the 160-0141 Data Link Cable between the laptop computer's RS232 serial port and the serial connector on the 171-4401 Communication Adapter II .
Turn the battery disconnect switch to the ON position.
Start the program for the Cat ET on the personal computer. Establish communication with the Engine's Electronic Control Module (ECM). If the Cat ET and the communication adapter do not communicate with the Electronic Control Module (ECM), refer to the diagnostic procedure Troubleshooting, "Electronic Service Tool Will Not Communicate With ECM".
Table 4
Specifications for the Communication Adapter II    
Operating Voltage     7 VDC to 40 VDC at 1.0 amp