Operation CHARM: Car repair manuals for everyone.

Watchdog








SYMPTOM
WATCHDOG

WHEN MONITORED
Ignition on.

SET CONDITION
When there is a deviation from the expected result of a CAB internal self check.

POSSIBLE CAUSES
- Intermittent DTC
- Open fused B(+) and fused ignition switch output (RUN)
- Open ground circuits
- CAB - internal concern