FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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All Doors Fail to Unlock From Any Switch




Test 1 - 4:




Test 5 - 9:






SYMPTOM
ALL DOORS FAILING TO UNLOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Fused B(+) circuit in junction block
- Unlock relay output circuit shorted to ground
- Door unlock relay - Open/shorted coil
- Door unlock relay-shorted terminals
- Door lock relay ground open
- Door lock relay ground circuit open
- Junction block - unlock relay control circuit open
- Body control module - unlock relay control open