All Doors Failing to Lock From One Switch

SYMPTOM
* ALL DOORS FAILING TO LOCK FROM ONE SWITCH

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

WHEN MONITORED
Continuously

SET CONDITION
- The CTM monitors the door lock switch circuits. If the input is pulled for more than 30 seconds, it assumes that the switch is defective.
- If the door lock switch is active for more than 30 seconds.

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