CAB Power Feed Circuit

Tests 1 Through 3:

Tests 4 Through 9:

Symptom:
CAB POWER FEED CIRCUIT

When Monitored and Set Condition
CAB POWER FEED CIRCUIT

When Monitored:
1. Ignition on.
2. The CAB monitors the Fused B+ circuit at the CAB at all times for proper system voltage.

Set Condition:
If the Fused B+ voltage is missing when the CAB detects that an internal main driver is not on, then the Diagnostic Trouble Code (DTC) is set.

POSSIBLE CAUSES
ABS SOLENOID/VALVE FUSE #13 DEFECTIVE
FUSED B(+) CIRCUIT OPEN
FUSED B(+) CIRCUIT INTERMITTENTLY SHORTED TO GROUND
FUSED B(+) CIRCUIT SHORTED TO GROUND
CAB CONNECTOR OBSERVABLE DEFECT
HCU/PUMP DEFECTIVE CAB DEFECTIVE