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One Passenger Door Fails to Lock and Unlock

Test 1 - 3:




Test 4 - 6:






SYMPTOM
ONE PASSENGER DOOR FAILS TO LOCK & UNLOCK

POSSIBLE CAUSES
- Door lock motor - open
- Door unlock relay output wire open
- Door lock relay output wire open
- Door unlock relay output wire short to ground
- Door unlock relay output short to door lock relay output
- Door lock relay output wire short to ground
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