CCD Communications

Test 1 And 2:

Tests 3 Through 6:

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 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 DEFECT
FUSED B(+) CIRCUIT OPEN
CAB CONNECTOR OBSERVABLE DEFECT
FUSED B(+) CIRCUIT INTERMITTENT SHORT TO GROUND
FUSED B(+) CIRCUIT SHORT TO GROUND
CAB DEFECTIVE