LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 180 (Can System) >> Can >> DTC/Circuit Diagnosis >> Main Line Between TCM And IPDM-E 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 (connector side and harness side).
      • Harness connector F19
      • Harness connector E28

    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 following harness connectors.
      • A/T assembly
      • Harness connector F19 and E28
    2. Check the continuity between the A/T assembly harness connector and the harness connector.

      A/T assembly harness connector

      Harness connector

      Continuity

      Connector No.

      Terminal No.

      Connector No.

      Terminal No.

      F46

      3

      F19

      4

      Existed

      8

      8

      Existed

    Is the inspection result normal?

    YES

    GO TO STEP 3  .

    NO

    Repair the main line between the A/T assembly and the harness connector F19.

  3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the connector of IPDM E/R.
    2. Check the continuity between the harness connector and the IPDM E/R harness connector.

      Harness connector

      IPDM E/R harness connector

      Continuity

      Connector No.

      Terminal No.

      Connector No.

      Terminal No.

      E28

      4

      E122

      41

      Existed

      8

      40

      Existed

    Is the inspection result normal?

    YES

    Check CAN system type decision again.

    YES

    Error was detected in the main line between the A/T assembly and the IPDM E/R.

    NO

    Repair the main line between the harness connector E28 and the IPDM E/R.