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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 >> Main Line Between Abs And TCM 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 HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Turn the ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Disconnect the following harness connectors.
      • ECM
      • ABS actuator and electric unit (control unit)
      • Harness connectors E5 and F14
    4. Check the continuity between the ABS actuator and electric unit (control unit) harness connector and the harness connector.

      ABS actuator and electric unit (control unit) harness connector

      Harness connector

      Continuity

      Connector No.

      Terminal No.

      Connector No.

      Terminal No.

      E125

      41

      E5

      5

      Existed

      27

      15

      Existed

    Is the inspection result normal?

    YES

    Check CAN system type decision again.

    YES

    Error was detected in the main line between the ABS actuator and electric unit (control unit) and the TCM.

    NO

    Repair the main line between the ABS actuator and electric unit (control unit) and the TCM.