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 SENSOR POWER SUPPLY
- Disconnect intake sensor connector.
- Turn ignition switch ON.
- Check voltage between intake sensor harness connector M146 terminal 1 and ground.
1 - Ground
: Approx. 5 V
Is the inspection result normal?
YES
GO TO 2.
NO
GO TO 4.
- CHECK CONTINUITY BETWEEN INTAKE SENSOR AND FRONT AIR CONTROL
- Turn ignition switch OFF.
- Disconnect front air control connector.
- Check continuity between intake sensor harness connector M146 terminal 2 and front air control harness connector M49 terminal 16.
2 - 16
: Continuity should exist.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair harness or connector.
- CHECK INTAKE SENSOR
Check intake sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
Replace front air control. Refer to Removal and Installation - Front Air Control .
NO
Replace intake sensor. Refer to Removal and Installation .
- CHECK CONTINUITY BETWEEN INTAKE SENSOR AND FRONT AIR CONTROL
- Turn ignition switch OFF.
- Disconnect front air control connector.
- Check continuity between intake sensor harness connector M146 terminal 1 and front air control harness connector M49 terminal 11.
1 - 11
: Continuity should exist.
- Check continuity between intake sensor harness connector M146 terminal 1 and ground.
1 - Ground
: Continuity should not exist.
Is the inspection result normal?
YES
Replace front air control. Refer to Removal and Installation - Front Air Control .
NO
Repair harness or connector.