All Doors Failing to Unlock From One Switch

SYMPTOM
* ALL DOORS FAILING TO UNLOCK FROM ONE SWITCH

TEST NOTE
This symptom is diagnosed using the test DOOR UNLOCK SWITCH FAILURE

WHEN MONITORED
Continuously

SET CONDITION
If the door unlock switch is active for more than 30 seconds.

POSSIBLE CAUSES
- Fused B (+) circuit open
- Door lock switch output (unlock) circuit short to battery
- Door lock switch output (unlock) circuit open
- Left door lock switch defective - shorted
- Door lock switch defective - open
- Right door lock switch defective - shorted
- CTM defective - Door lock switch output open
- CTM defective - Door lock switch output shorted