Nissan Murano: Dtc/circuit Diagnosis / Main Line Between Hvac and 4wd Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Electrical & Power Control / Lan System :: Can / Dtc/circuit Diagnosis / Main Line Between Hvac and 4wd Circuit

Diagnosis Procedure

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 M84

    • Harness connector B101

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair the terminal and connector.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

  1. Disconnect the following harness connectors.

    • A/C auto amp.

    • Harness connectors M84 and B101

  2. Check the continuity between the A/C auto amp. harness connector and the harness connector.

    A/C auto amp. harness connector Harness connector Continuity
    Connector No. Terminal No. Connector No. Terminal No.
    M50 1 M84 53J Existed
    21 54J Existed

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the main line between the A/C auto amp. and the harness connector M84.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Check the continuity between the harness connector terminals.

Harness connector Continuity
Connector No. Terminal No.
B101 53J 75J Existed
54J 76J Existed

Is the inspection result normal?

YES>>

Check CAN system type decision again.

YES>>

Error was detected in the main line between the A/C auto amp. and the AWD control unit.

NO>>

Repair the main line between the harness connector B101 and the AWD control unit.

    Main Line Between Abs and Hvac Circuit

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    Main Line Between Hvac and M&a Circuit

    Diagnosis Procedure CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side)...

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