Nissan Murano: Dtc/circuit Diagnosis / Dlc Branch Line Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Electrical & Power Control / Lan System :: Can / Dtc/circuit Diagnosis / Dlc Branch Line 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 (unit side and connector side).

    • Data link connector

    • 3CH CAN gateway

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair the terminal and connector.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

  1. Disconnect the connector of 3CH CAN gateway.

  2. Check the continuity between the 3CH CAN gateway harness connector terminals.

    3CH CAN gateway harness connector Continuity
    Connector No. Terminal No.
    M5 3 11 Existed
    4 12 Existed

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

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

CHECK HARNESS FOR OPEN CIRCUIT

  1. Connect the connector of 3CH CAN gateway.

  2. Check the resistance between the data link connector terminals.

Data link connector Resistance (Ω)
Connector No. Terminal No.
M22 6 14 Approx. 54 – 66

Is the measurement value within the specification?

YES>>

Check CAN system type decision again.

YES>>

Error was detected in the data link connector branch line circuit.

NO>>

Repair the data link connector branch line.

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