CAB Power Feed Circuit

Test 1-2:

Test 3-8:

Test 9:

Symptom:
CAB POWER FEED CIRCUIT

When Monitored and Set Condition:
CAB POWER FEED CIRCUIT

When Monitored: 1. With ignition on. 2. The CAB monitors the Fused B(+) circuit at cavity 9 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/SYSTEM FUSE #2 DEFECT
CAB POWER FEED CIRCUIT OBSERVABLE DEFECT
SHORTED TO GROUND
FUSED B(+) CIRCUIT INTERMITTENT CY
FUSED B(+) CIRCUIT SHORTED TO GROUND
FUSED B(+) CIRCUIT OPEN SHORTED TO GROUND
CAB CONNECTOR OBSERVABLE DEFECT
HCU/PUMP DEFECTIVE
CAB DEFECTIVE