Antilock Brake System (ABS): 1004

1004-CAB INTERNAL FAILURE - RIGHT FRONT INLET VALVE





When Monitored and Set Condition
^ When Monitored: The Controller Antilock Brake (CAB) monitors the internal functions of the CAB continuously.
^ Set Condition: The Controller Antilock Brake (CAB) will set this DTC if an internal fault is detected.

POSSIBLE CAUSES
- CONTROLLER ANTILOCK BRAKE (CAB)

For a complete Antilock Brake System (ABS) Circuit Diagram, (Refer to - BRAKES/ELECTRICAL - SCHEMATICS AND DIAGRAMS).

1. MONITOR ALL WHEEL SPEED SENSORS WITH THE DRBIII





With the DRBIII, erase DTCs. Start the engine. With an assistant to drive, use the DRBIII to monitor the CAB module DTCs while performing road test.
Did the DTC return?
Yes >> Replace Controller Antilock Brake (CAB) Module.
No >> Inspect and repair the related wiring harness for a possible intermittent condition. Perform ABS VERIFICATION TEST