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CAB Power Feed Circuit











Symptom:
CAB POWER FEED CIRCUIT

When Monitored and Set Condition:
CAB POWER FEED) CIRCUIT

When Monitored: Ignition on. The CAB monitors the Fused B(+) circuit 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", the Diagnostic Trouble Code (DTC) is set.

POSSIBLE CAUSES
INTERMITTENT DTC
BLOWN FUSE-FUSED B (+) CIRCUIT
FUSED B (+) CIRCUIT OPEN
FUSED B (+) CIRCUIT INTERMITTENTLY SHORTED TO GROUND
FUSED B (+) CIRCUIT SHORTED TO GROUND
NO B+ SUPPLY TO FUSE
GAB-FUSED B (+) CIRCUIT OPEN
GAB-FUSED B (+) CIRCUIT SHORTED TO GROUND