Diagnosis Procedure
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DOOR LOCK ACTUATOR INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect rear door lock actuator LH connector.
- Check voltage between rear door lock actuator LH harness connector and ground.
(+)
(-)
Condition
Voltage
(Approx.)
Rear door lock actuator LH
Connector
Terminal
D205
1
Ground
Door lock and unlock switch
Lock
Battery voltage
2
Unlock
Is the inspection result normal?
YES
Replace rear door lock actuator LH. Refer to Removal and Installation .
NO
GO TO 2.
- CHECK DOOR LOCK ACTUATOR CIRCUIT
- Disconnect BCM and all door lock actuators connector.
- Check continuity between BCM harness connector and rear door lock actuator LH harness connector.
BCM
Rear door lock actuator LH
Continuity
Connector
Terminal
Connector
Terminal
M81
133
D205
2
Yes
132
1
- Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M81
133
No
132
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- CHECK BCM OUTPUT SIGNAL
- Connect BCM connector.
- Check voltage between BCM harness connector and ground.
(+)
(-)
Condition
Voltage
(Approx.)
BCM
Connector
Terminal
M81
133
Ground
Door lock and unlock switch
Unlock
Battery voltage
132
Lock
Is the inspection result normal?
YES
Check for internal short of each door lock actuator.
NO
Replace BCM. Refer to Removal and Installation .