All Doors Fail to Lock and Unlock From Any Switch

Test 1:

Test 2 - 7:

Test 8 - 12:

Test 13 - 18:

Test 19 - 24:

Test 25:

SYMPTOM
ALL DOORS FAILING TO LOCK AND UNLOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Open circuit breaker # 2
- Observe the door lock switch voltage status with switch in the lock position
- Fused B(+) open circuit open from PDC
- Fused B(+) to relay coil circuit open from PDC fuse
- Passenger power door lock switch shorted to voltage
- Relay ground circuit open
- Door lock relay - Open/Shorted coil
- Door lock relay - Shorted terminals
- Fused B+ circuit open
- Door lock and unlock relays ground open
- Passenger door switch MUX circuit shorted to voltage
- Passenger door switch MUX circuit shorted to ground
- Driver power door lock switch shorted to voltage
- Lock or unlock relay output circuit open
- Passenger door lock switch shorted to ground
- Driver door switch MUX circuit shorted to ground
- Driver door switch MUX circuit shorted to voltage
- Driver door lock switch shorted to ground
- Junction block-lock relay control circuit open
- Body control module - Lock relay control open
- Body control module - Control shorted to voltage
- Body control module - Control shorted