All Doors Failing to Lock and Unlock From Any Switch

Test 1:

Test 2 - 7:

Test 8 - 13:

Test 14 - 20:

Test 21 - 26:

Test 27:

SYMPTOM
ALL DOORS FAILING TO LOCK AND UNLOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Fused B+ CKT open
- Observe the door lock switch voltage status with switch in the lock position
- Open circuit breaker #2
- Open fused B+ to circuit breaker #2
- Passenger door SW MUX CKT shorted
- Passenger door switch MUX CKT shorted to voltage
- Driver door SW MUX CKT shorted
- Driver door switch MUX CKT shorted to voltage
- Body control module
- Defective passenger power door lock switch-shorted to ground
- Defective passenger power door lock switch-shorted to voltage
- Defective driver power door lock switch-shorted to ground
- Defective driver power door lock switch-shorted to voltage
- Junction block-lock relay control CKT open
- Junction block-lock relay output CKT open
- Open fused B+ to junction block C9 connector cavity 1
- Open ground circuit to junction block
- Door lock relay-open/shorted coil
- Door lock relay-shorted terminals
- Junction block open fused B+ to switch side of relay
- Junction block-open fused B+ to coil side of relay
- Junction block-open ground circuit to relay
- Open fused B+ to junction block C7 connector cavity 3
- Body control module
- Body control module