CAB Power Feed Circuit

Test 1 - 2:

Test 3 - 7:

Test 8 - 10:

SYMPTOM:
CAB POWER FEED

WHEN MONITORED:
Ignition on the CAB monitors the ABS Valve Fused B(+) circuit at all times for proper system voltage.

SET CONDITION:
If the ABS Valve Fused B(+) voltage is missing, the Diagnostic Trouble Code (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 B(+) CIRCUIT SHORT TO GROUND
- DAMAGED CAB/CAB HARNESS CONNECTOR
- CAB - GROUND CIRCUIT OPEN
- CAB - INTERNAL FAULT