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