One Door Fails to Lock/Unlock From Any Switch

Test 1 - 3:

Test 4 - 8:

Test 9 - 13:

Test 14 - 18:

SYMPTOM
ONE DOOR FAILING TO LOCK AND UNLOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Open driver door unlock relay driver circuit
- Open lock relay driver circuit
- Open lock relay driver circuit
- Open unlock relay driver circuit
- Junction block-open driver door unlock relay driver circuit
- Junction block-open lock relay driver circuit
- Junction block-open lock relay driver circuit
- Junction block-open unlock relay driver circuit
- Junction block-driver door unlock relay control CKT open
- Defective driver door lock motor
- DR door unlock relay-open/shorted coil
- DR door unlock relay-shorted terminals
- Open fused B+-switch side of relay
- Body control module
- Open fused B+-coil side to relay
- Defective door lock motor