LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 604 (Can System (Circuit Diagnosis)) >> Circuit Diagnosis >> Main Line Between AVM And ADP Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. 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 following terminals and connectors for damage, bend and loose connection (connector side and harness side).
      • Harness connector M40
      • Harness connector B69

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair the terminal and connector.

  2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the following harness connectors.
      • Around view monitor control unit
      • Harness connectors M40 and B69
    2. Check the continuity between the around view monitor control unit harness connector and the harness connector.

      Around view monitor control unit harness connector

      Harness connector

      Continuity

      Connector No.

      Terminal No.

      Connector No.

      Terminal No.

      M96

      27

      M40

      89A

      Existed

      28

      90A

      Existed

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair the main line between the around view monitor control unit and the harness connector M40.

  3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the harness connectors B54 and B200.
    2. Check the continuity between the harness connectors.

      Harness connector

      Harness connector

      Continuity

      Connector No.

      Terminal No.

      Connector No.

      Terminal No.

      B69

      89A

      B54

      1

      Existed

      90A

      2

      Existed

    Is the inspection result normal?

    YES

    Check CAN system type decision again.

    YES

    Error was detected in the main line between the around view monitor control unit and the driver seat control unit.

    NO

    Repair the main line between the harness connectors B69 and driver seat control unit.