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 FRONT MODE DOOR MOTOR POWER SUPPLY
- Turn ignition switch ON.
- Check voltage between front mode door motor harness connector M142 terminal 1 and ground.
1 - Ground
: Battery Voltage
Is the inspection result normal?
YES
GO TO 2.
NO
Repair harness or connector.
- CHECK SIGNAL FOR FRONT MODE DOOR MOTOR
Check the output waveform (LAN signal) between the front mode door motor harness connector M142 terminal 3 and ground using an oscilloscope.
(+)
(-)
Voltage
Front mode door motor
--
Connector
Terminal
M142
3
Ground
Is the inspection result normal?
YES
GO TO 3.
NO
Repair harness or connector.
- CHECK FRONT MODE DOOR MOTOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect front mode door motor connector.
- Check continuity between front mode door motor harness connector M142 terminal 2 and ground.
2 - Ground
: Continuity should exist.
Is the inspection result normal?
YES
Replace front mode door motor. Refer to Removal and Installation - Front Mode Door Motor .
NO
Repair harness or connector.