FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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CAB Power Feed Circuit

Tests 20 Through 25:




Tests 26 Through 28:






Symptom:
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 Voltage is missing when the CAB detects that an internal main driver is not on, then the trouble code (DTC) is set.

Possible Causes
ABS/SYSTEM FUSE DEFECT
CAB CONNECTOR OBSERVABLE DEFECT
CAB DEFECTIVE
CAB POWER FEED CIRCUIT OBSERVABLE DEFECT
FUSED B(+) CIRCUIT INTERMITTENT DEFECT
FUSED B(+) CIRCUIT OPEN
HCU/PUMP DEFECTIVE