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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 545 (Can System (DTC/Circuit Diagnosis)) >> Circuit Diagnosis >> M&A Branch Line Circuit >> DTC Diagnosis Procedure

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.
  1. CHECK CONNECTOR 
    1. Turn the ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Check the terminals and connectors of the combination meter for damage, bend and loose connection (unit side and connector side).

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair the terminal and connector.

  2. CHECK HARNESS FOR OPEN CIRCUIT 
    1. Disconnect the connector of combination meter.
    2. Check the resistance between the combination meter harness connector terminals.

      Combination meter harness connector

      Resistance (Ohm)

      Connector No.

      Terminal No.

      M24

      1

      13

      Approx. 54 - 66

    Is the measurement value within the specification?

    YES

    GO TO 3.

    NO

    Repair the combination meter branch line.

  3. CHECK POWER SUPPLY AND GROUND CIRCUIT 

    Check the power supply and the ground circuit of the combination meter. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    Replace the combination meter. Refer to Removal and Installation .

    YES

    Error was detected in the combination meter branch line.

    NO

    Repair the power supply and the ground circuit.