Valve Power Feed Failure

Test 1-2:

Test 3-7:

Test 8-10:

Symptom
VALVE POWER FEED FAILURE


When Monitored
Ignition ON. The CAB checks its microprocessors for correct operation continuously.

Set Condition
If the CAB detects an internal fault, the DTC is set.

POSSIBLE CAUSES
- INTERMITTENT DTC
- ABS VALVE FUSE
- ABS VALVE FUSED B(+) SUPPLY CIRCUIT OPEN
- ABS VALVE FUSED B(+) CIRCUIT OPEN
- ABS VALVE FUSED B(+) CIRCUIT INTERMITTENT SHORT TO GROUND
- ABS VALVE FUSED BW CIRCUIT SHORT TO GROUND
- DAMAGED CAB/CAB HARNESS CONNECTOR
- CAB - GROUND CIRCUIT OPEN
- CAB - INTERNAL FAULT