4378838 SIDE AS Caterpillar parts
627K, 627K LRC
Rating:
Alternative (cross code) number:
CA4378838
437-8838
4378838
CA4378838
437-8838
4378838
WHEEL TRACTOR-SCRAPER,
Information:
The Electronic Control Module (ECM) detects the following conditions:
The throttle switch has not returned to the center position for 30 seconds.
The ECM has been powered for at least three seconds.System Response:The ECM will log the diagnostic code. The throttle switch will be ignored.Possible Performance Effect:
Reduced engine speedNote: If the engine is operating above 1000 rpm, the ECM will reduce the engine speed to 1000 rpm. If the engine is operating below 1000 rpm, the ECM will maintain the engine speed. The decelerator pedal modulates to 700 rpm.Troubleshooting:Test Step 1. Perform the following diagnostic procedure: "Throttle Switch Circuit - Test"Results:
OK - STOP
The throttle switch has not returned to the center position for 30 seconds.
The ECM has been powered for at least three seconds.System Response:The ECM will log the diagnostic code. The throttle switch will be ignored.Possible Performance Effect:
Reduced engine speedNote: If the engine is operating above 1000 rpm, the ECM will reduce the engine speed to 1000 rpm. If the engine is operating below 1000 rpm, the ECM will maintain the engine speed. The decelerator pedal modulates to 700 rpm.Troubleshooting:Test Step 1. Perform the following diagnostic procedure: "Throttle Switch Circuit - Test"Results:
OK - STOP
Parts side Caterpillar catalog:
3234786
SIDE AS
621K, 627K, 627K LRC
621K, 627K, 627K LRC
3234265
SIDE AS
621K, 627K, 627K LRC
621K, 627K, 627K LRC
3521445
SIDE AS
627H
627H
3497822
SIDE AS
627H
627H
3132560
SIDE AS
623H, 623K, 623K LRC
623H, 623K, 623K LRC
3132559
SIDE AS
623H, 623K, 623K LRC
623H, 623K, 623K LRC
9M2790
SIDE ASSEM.
641, 651, 657
641, 651, 657
9M2789
SIDE ASSEM.
641, 651, 657
641, 651, 657
4378843
SIDE AS
627K, 627K LRC
627K, 627K LRC