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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 473 (Meter, Warning Lamp & Indicator) >> Symptom Diagnosis >> The Oil Pressure Warning Lamp Does Not Turn Off >> Diagnosis Procedure

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.

The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure).

  1. CHECK OIL PRESSURE WARNING LAMP 

    Perform IPDM E/R auto active test. Refer to Diagnosis Description .

    Does the oil pressure warning lamp flash?

    YES

    GO TO 2.

    NO

    Replace combination meter. Refer to Removal and Installation .

  2. CHECK OIL PRESSURE SWITCH 

    Perform a unit check for the oil pressure switch. Refer to Component Inspection .

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Replace oil pressure switch.

  3. CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT 

    Check the oil pressure switch signal circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    Replace IPDM E/R. Refer to Removal and Installation .

    NO

    Repair harness or connector.