2270634 HOSE AS Caterpillar parts
385C, 385C FS, 385C L
Rating:
Alternative (cross code) number:
CA2270634
227-0634
2270634
CA2270634
227-0634
2270634
EXCAVATOR, FRONT SHOVEL,
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CTP 2270634 Hoses for Models 385C/385C FS/385C L
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22 Sep 2021
US: QUALITY PARTS
Made to fit 2270634 Hose A Caterpillar
G&T Engine Parts 2270634 Caterpillar Hose A || Meets OEM Specs for Fit and Performance || This is a new item 2270634 Hose A Caterpillar || Items are sold by part number only. Picture is for illustration purposes and the part or parts may be different in color or quantity. || Use of any OEM manufacturer name is not intended to represent any relationship between the two companies, instead it indicates that we sell replacement parts that are compatible with OEM components.
G&T Engine Parts 2270634 Caterpillar Hose A || Meets OEM Specs for Fit and Performance || This is a new item 2270634 Hose A Caterpillar || Items are sold by part number only. Picture is for illustration purposes and the part or parts may be different in color or quantity. || Use of any OEM manufacturer name is not intended to represent any relationship between the two companies, instead it indicates that we sell replacement parts that are compatible with OEM components.
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Use this procedure to troubleshoot the electrical system if a problem is suspected with the throttle signal from the PWM signal convertor. Also, use this procedure if the diagnostic code in Table 1 is active or easily repeated.
Table 1
Diagnostic Codes Table
CDL Code and Description Conditions which Generate this Code System Response
91-8 Throttle Position Sensor abnormal frequency, pulse width, or period The Electronic Control Module (ECM) detects an abnormal throttle signal for 5 seconds. The code is logged. The direct fuel control mode enables the engine to be controlled by an external governor. Install the components of the signal converter for the direct fuel control in order to operate in direct fuel control mode. The "Direct Fuel Control Mode" parameter must be programmed to "Enabled" in order for the ECM to respond properly to the external governor.The input to the signal converter is a 0 to 200 mA signal. The signal is received from the external governor. The output signal from the signal converter is a Pulse Width Modulated signal (PWM).The output signal varies with the current to the signal converter. The ECM calculates the desired fuel from the PWM signal.The duty cycle for a valid signal is between 5 and 95 percent. If an invalid signal is received, the engine will automatically be set to a minimum fuel setting and the engine will shut down.The following functions are not used in direct fuel control mode.
Low idle
Crank terminate speed
Cooldown speed
Illustration 1 g03323133
Schematic for the direct fuel control mode (typical example)
Illustration 2 g03323144
Terminal locations at the J1/P1 ECM connector
(P1-5) Digital return
(P1-10) Throttle signal
Table 2
Troubleshooting Test Steps Values Results
1. Inspect Electrical Connectors and Wiring
A. Turn the main disconnect switch to the OFF position.
B. Thoroughly inspect the ECM connectors J1/P1. Inspect all of the other connectors in the circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
C. Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the circuit.
D. Check the allen head screw on each ECM connector for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for the correct torque values.
E. Check the harness and the wiring for abrasion and for pinch points.
Connectors
Results: The connectors and wiring are OK.
Proceed to Test Step 2
Results: The connectors and/or wiring are not OK.
Repair: The connectors or wiring and/or replace the connectors or wiring.
Verify that the repair eliminates the problem.
2. Check the Current Input to the Signal Converter
A. Restore the electrical power to the ECM.
B. Measure the current to the signal converter.
Note: Some external governors may only be able to output approximately 150 mA. Do not recognize this output as a problem with the external governor.
0 to 200 mA
Results: The current is within 0 to 200 mA.
Proceed to Test Step 3
Results: The current is not within the correct range.
Repair: Replace the external governor that is supplying the controlling current.
Verify that the repair eliminates the problem.
3. Check the Voltage at the Battery
A. Turn the main disconnect switch to the OFF position.
B. Measure no-load battery
Table 1
Diagnostic Codes Table
CDL Code and Description Conditions which Generate this Code System Response
91-8 Throttle Position Sensor abnormal frequency, pulse width, or period The Electronic Control Module (ECM) detects an abnormal throttle signal for 5 seconds. The code is logged. The direct fuel control mode enables the engine to be controlled by an external governor. Install the components of the signal converter for the direct fuel control in order to operate in direct fuel control mode. The "Direct Fuel Control Mode" parameter must be programmed to "Enabled" in order for the ECM to respond properly to the external governor.The input to the signal converter is a 0 to 200 mA signal. The signal is received from the external governor. The output signal from the signal converter is a Pulse Width Modulated signal (PWM).The output signal varies with the current to the signal converter. The ECM calculates the desired fuel from the PWM signal.The duty cycle for a valid signal is between 5 and 95 percent. If an invalid signal is received, the engine will automatically be set to a minimum fuel setting and the engine will shut down.The following functions are not used in direct fuel control mode.
Low idle
Crank terminate speed
Cooldown speed
Illustration 1 g03323133
Schematic for the direct fuel control mode (typical example)
Illustration 2 g03323144
Terminal locations at the J1/P1 ECM connector
(P1-5) Digital return
(P1-10) Throttle signal
Table 2
Troubleshooting Test Steps Values Results
1. Inspect Electrical Connectors and Wiring
A. Turn the main disconnect switch to the OFF position.
B. Thoroughly inspect the ECM connectors J1/P1. Inspect all of the other connectors in the circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
C. Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the circuit.
D. Check the allen head screw on each ECM connector for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for the correct torque values.
E. Check the harness and the wiring for abrasion and for pinch points.
Connectors
Results: The connectors and wiring are OK.
Proceed to Test Step 2
Results: The connectors and/or wiring are not OK.
Repair: The connectors or wiring and/or replace the connectors or wiring.
Verify that the repair eliminates the problem.
2. Check the Current Input to the Signal Converter
A. Restore the electrical power to the ECM.
B. Measure the current to the signal converter.
Note: Some external governors may only be able to output approximately 150 mA. Do not recognize this output as a problem with the external governor.
0 to 200 mA
Results: The current is within 0 to 200 mA.
Proceed to Test Step 3
Results: The current is not within the correct range.
Repair: Replace the external governor that is supplying the controlling current.
Verify that the repair eliminates the problem.
3. Check the Voltage at the Battery
A. Turn the main disconnect switch to the OFF position.
B. Measure no-load battery
Caterpillar parts catalog:
Parts hose Caterpillar catalog:
120B, 120G, 120H, 120H ES, 120H NA, 120M, 120M 2, 12G, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H NA, 140B, 140G, 140M, 140M 2, 140M 3, 140M 3 AWD, 14G, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 215, ...
120M, 12M, 216, 216B, 216B3, 226B, 226B3, 228, 2290, 232B, 235C, 236, 236B, 236B3, 236D, 2384C, 2390, 2391, 242B, 242B3, 242D, 246C, 246D, 247, 247B, 247B3, 248, 2484C, 2491, 252B, 252B3, 256C, 257B, ...
235C, 242B3, 257B3, 259B3, 301.5, 302.5, 3176, 3306B, 3406B, 3406C, 3406E, 3456, 35, 365C, 365C L, 365C L MH, 374D L, 374F L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 416D, 420D, ...
307C, 311C, 311D LRR, 311F LRR, 312C, 312C L, 312D, 312D L, 312E, 312E L, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315C, 315D L, 316E L, 318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 32...
307C, 308D, 311F LRR, 312D, 314D CR, 314D LCR, 314E CR, 314E LCR, 315D L, 316E L, 318C, 318D2 L, 318E L, 319D, 319D L, 319D LN, 320 L, 320B, 320B L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 3...
307C, 311C, 311D LRR, 312C, 312C L, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315C, 315D L, 316E L, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320B FM LL, 320C, 320D, 3...
307C, 308C, 311C, 311D LRR, 311F LRR, 312C, 312D, 312D L, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315C, 315D L, 319D L, 319D LN, 320 L, 320B, 320C, 320D, 320D FM, 320D FM RR, 320D L, 320D LN, 320D...
308C, 312C, 312C L, 312D, 314C, 315C, 315D L, 318D2 L, 319D L, 320 L, 320B, 320C, 320D, 320D L, 320D LRR, 320D2 L, 320E, 320E L, 320E LN, 321D LCR, 322B, 322B L, 322B LN, 322C FM, 323E L, 324D, 324D F...
308C, 312C, 312C L, 312D, 312D L, 314D LCR, 314E CR, 314E LCR, 315C, 315D L, 318C, 318D L, 318D2 L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320D, 320D FM, 320D GC, 320D L, 320D LRR, 320D RR, 320D2...
322 LN, 322B LN, 322C, 325B L, 325C, 365B II, 385C L, 966G, 972G, 992C
385B, 385C, 385C FS, 385C L, 385C L MH, 5090B
365C, 365C L, 365C L MH, 374D L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L
2455380
HOSE AS
385C, 385C L
385C, 385C L
2270670
HOSE AS
385C, 385C L
385C, 385C L
3061558
HOSE AS
385C, 385C L, 390F L
385C, 385C L, 390F L
3023216
HOSE AS
385C, 385C L
385C, 385C L
2751734
HOSE AS
385C, 385C FS, 385C L, 385C L MH
385C, 385C FS, 385C L, 385C L MH
2608251
HOSE AS
374F L, 385C, 385C FS, 385C L, 385C L MH
374F L, 385C, 385C FS, 385C L, 385C L MH
2445572
HOSE AS
365C, 365C L, 365C L MH
365C, 365C L, 365C L MH
2405006
HOSE-DRAIN
365C, 365C L MH, 385C, 385C FS, 385C L, 385C L MH
365C, 365C L MH, 385C, 385C FS, 385C L, 385C L MH
2359017
HOSE GP-AIR CONDITIONER
385C, 385C FS, 385C L
385C, 385C FS, 385C L
2359016
HOSE GP-AIR CONDITIONER
385C, 385C FS, 385C L
385C, 385C FS, 385C L
2661034
HOSE AS
385C, 385C FS, 385C L
385C, 385C FS, 385C L
2270635
HOSE AS
385C, 385C FS, 385C L
385C, 385C FS, 385C L