Nissan Murano: Dtc/circuit Diagnosis / Chassis Can Communication Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Electrical & Power Control / Lan System :: Can / Dtc/circuit Diagnosis / Chassis Can Communication Circuit

Diagnosis Procedure

CHECK CAN DIAGNOSIS

Check the CAN diagnosis results from CONSULT to see that the Nissan Murano vehicle CAN communication circuit and ITS CAN communication circuit have no malfunction.

Are the CAN communication circuits normal?

YES>>

GO TO 2.

NO>>

Check and repair the Nissan Murano vehicle CAN communication circuit and/or ITS CAN communication circuit.

CONNECTOR INSPECTION

  1. Turn the ignition switch OFF.

  2. Disconnect the battery cable from the negative terminal.

  3. Disconnect all the control unit connectors on chassis CAN communication circuit.

  4. Check terminals and connectors for damage, bend and loose connection.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the terminal and connector.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Check the continuity between the ADAS control unit harness connector and lane camera unit harness connector.

ADAS control unit harness connector Lane camera unit harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
M182 18 R23 5 Existed
6 6 Existed

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Check the harness and repair the root cause.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Check the continuity between the lane camera unit harness connector and CAN terminator (chassis CAN communication).

Lane camera unit harness connector CAN terminator (Chassis CAN communication) Continuity
Connector No. Terminal No. Connector No. Terminal No.
R23 5 M21 3 Existed
6 2 Existed

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Check the harness and repair the root cause.

CHECK HARNESS CONTINUITY (SHORT CIRCUIT)

Check the continuity between the ADAS control unit harness connector and the ground.

ADAS control unit harness connector Ground Continuity
Connector No. Terminal No.
M182 18 Not existed
6 Not existed

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Check the harness and repair the root cause.

CHECK CAN TERMINATOR CIRCUIT

Check the continuity between the CAN terminator (Chassis CAN communication) terminals.

CAN terminator (Chassis CAN communication) Resistance (Ω)
Connector No. Terminal No.
M21 3 2 Approx. 108 – 132

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Replace the main harness.

CHECK ADAS CONTROL UNIT TERMINATION CIRCUIT

  1. Remove the ADAS control unit.

  2. Check the resistance between the ADAS control unit terminals.

    ADAS control unit Resistance (Ω)
    Terminal No.
    18 6 Approx. 108 – 132

Is the measurement value within the specification?

YES>>

GO TO 8.

NO>>

Replace the ADAS control unit.

CHECK SYMPTOM

Connect all the connectors. Check if the symptoms described in the “Symptom (Results from interview with customer)” are reproduced.

Inspection result

Reproduced>>

GO TO 9.

NO>>

Start the diagnosis again. Follow the trouble diagnosis procedure when past error is detected.

CHECK CONTROL UNIT REPRODUCTION

Perform the reproduction test as per the following procedure for each control unit.

  1. Turn the ignition switch OFF.

  2. Disconnect the battery cable from the negative terminal.

  3. Disconnect one of the control unit connectors of chassis CAN communication circuit.

    NOTE:

    ADAS control unit has a termination circuit. Check other control units first.

  4. Connect the battery cable to the negative terminal. Check if the symptoms described in the “Symptom (Results from interview with customer)” are reproduced.

    NOTE:

    Although control unit-related error symptoms occur, do not confuse them with other symptoms.

Inspection result

Reproduced>>

Connect the connector. Check other control units as per the above procedure.

NO>>

Replace the control unit whose connector was disconnected.

    Its Can Communication Circuit

    Diagnosis Procedure CHECK CAN DIAGNOSIS Check the CAN diagnosis results from CONSULT to see that the Nissan Murano vehicle CAN communication circuit has no malfunction...

    Lan System :: Can Gateway

    ..

    Other information:

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