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 INTAKE DOOR MOTOR POWER SUPPLY
- Turn ignition switch ON.
- Check voltage between intake door motor harness connector M58 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 INTAKE DOOR MOTOR
Check the output waveform (LAN signal) between the intake door motor harness connector M58 terminal 3 and ground using an oscilloscope.
(+)
(-)
Voltage
Intake door motor
--
Connector
Terminal
M58
3
Ground
Is the inspection result normal?
YES
GO TO 3.
NO
Repair harness or connector.
- CHECK INTAKE DOOR MOTOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect intake door motor connector.
- Check continuity between intake door motor harness connector M58 terminal 2 and ground.
2 - Ground
: Continuity should exist.
Is the inspection result normal?
YES
Replace intake door motor. Refer to Removal and Installation .
NO
Repair harness or connector.