DTC Diagnosis Procedure
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
Locks/unlocks the door with the signal from BCM.
- CHECK DOOR LOCK ACTUATOR SIGNAL
- Turn ignition switch OFF.
- Check voltage between BCM connector M20 terminals 59, 65 and ground.
Connector
Terminals
Condition
Voltage (V) (approx.)
(+)
(-)
M20
59
Ground
Door lock/unlock switch is turned to LOCK
0
Door lock/unlock switch is turned to UNLOCK
Battery voltage for 300 ms
65
Door lock/unlock switch is turned to LOCK
Door lock/unlock switch is turned to UNLOCK
0
Is the inspection result normal?
YES
GO TO 2.
NO
GO TO 3.
- CHECK DOOR LOCK ACTUATOR HARNESS
- Disconnect BCM and front door lock assembly LH.
- Check continuity between BCM connector M20 terminals 59, 65 and front door lock assembly LH connector D14 terminals 2, 1.
Connector
Terminals
Connector
Terminals
Continuity
M20
59
D14
2
Yes
65
1
Is the inspection result normal?
YES
Replace front door lock assembly LH. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK DOOR LOCK ACTUATOR HARNESS
- Disconnect BCM, front door lock assembly LH, front door lock actuator RH, sliding door lock assembly and back door lock assembly.
- Check continuity between BCM connector M20 terminals 59, 65 and ground.
Connector
Terminals
Continuity
BCM M20
59
Ground
No
65
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace harness.