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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 180 (Can System) >> Can >> DTC/Circuit Diagnosis >> AVM Branch Line Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. 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 (unit side and connector side).
      • Around view monitor control unit
      • ADAS control unit

    Is the inspection result normal?

    YES

    GO TO STEP 2  .

    NO

    Repair the terminal and connector.

  2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the connector of ADAS control unit.
    2. Check the continuity between the ADAS control unit harness connector terminals.

      ADAS control unit harness connector

      Continuity

      Connector No.

      Terminal No.

      M128

      2

      18

      Existed

      5

      6

      Existed

    Is the inspection result normal?

    YES

    GO TO STEP 3  .

    NO

    Check the harness and repair the root cause (ITS CAN communication circuit side).

  3. CHECK HARNESS FOR OPEN CIRCUIT 
    1. Connect the connector of ADAS control unit.
    2. Disconnect the connector of around view monitor control unit.
    3. Check the resistance between the around view monitor control unit harness connector terminals.

      Around view monitor control unit harness connector

      Resistance (Ω)

      Connector No.

      Terminal No.

      B83

      26

      24

      Approx. 54 - 66

    Is the measurement value within the specification?

    YES

    GO TO STEP 4  .

    NO

    Repair the around view monitor control unit blanch line.

  4. CHECK POWER SUPPLY AND GROUND CIRCUIT 

    Check the power supply and the ground circuit of the around view monitor control unit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    Replace the around view monitor control unit. Refer to Removal and Installation .

    YES

    Error was detected in the around view monitor control unit branch line.

    NO

    Repair the power supply and the ground circuit.