One or Both Doors Failing to Unlock From One Switch

Test 434 - 439:

Test 440 - 445:

Test 446 - 450:

Test 451:

SYMPTOM
* ONE OR BOTH DOORS FAILING TO UNLOCK FROM ONE SWITCH

This symptom is diagnosed using the test * ONE OR BOTH DOORS FAILING TO LOCK FROM ONE SWITCH.

POSSIBLE CAUSES
- Link to body communication bus inoperative
- Fused B (+) circuit open
- Door lock actuator assembly defective
- Door unlock actuator assembly defective
- Door lock switch assembly open
- Door unlock switch assembly open
- Door lock driver circuit open
- Door unlock driver circuit open
- Door lock driver circuit open
- Door unlock driver circuit open
- Door unlock driver circuit open
- Power door lock driver circuit open
- CTM lock driver input open
- CTM unlock driver input open
- Lock driver circuit on CTM open
- Unlock driver circuit on CTM open