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.
- CHECK DOOR LOCK ACTUATOR SIGNAL
- Turn ignition switch OFF.
- Check voltage between BCM connector M20 terminals 65, 66 and ground.
Connector
Terminals
Condition
Voltage (V) (approx.)
(+)
(-)
M20
65
Ground
Door lock/unlock switch is turned to UNLOCK
0
Door lock/unlock switch is turned to LOCK
Battery voltage for 300 ms
66
Door lock/unlock switch is turned to UNLOCK
Door lock/unlock switch is turned to LOCK
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 actuator RH.
- Check continuity between BCM connector M20 terminals 65, 66 and front door lock actuator RH connector D114 terminals 2, 1.
Connector
Terminals
Connector
Terminals
Continuity
M20
65
D114
2
Yes
66
1
Is the inspection result normal?
YES
Replace front door lock actuator RH. Refer to Removal and Installation
NO
Repair or replace harness.
- CHECK DOOR LOCK ACTUATOR HARNESS
- Disconnect BCM, front door lock actuator RH, front door lock assembly LH, sliding door lock assembly and back door lock assembly.
- Check continuity between BCM connector M20 terminals 65, 66 and ground.
Connector
Terminals
Continuity
BCM M20
65
Ground
No
66
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace harness.