Nissan Murano: Dtc/circuit Diagnosis / Power Supply and Ground Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Telematics System / Dtc/circuit Diagnosis / Power Supply and Ground Circuit

Diagnosis Procedure

CHECK FUSE

Check that the following fuses are not blown:

Terminal No. Signal name Fuse No. Capacity
1 Battery power supply 25 10 A
2 ACC power supply 7 10 A
10 Ignition signal 29 10 A

Are the fuses blown?

YES>>

Replace the blown fuse after repairing the affected circuit.

NO>>

GO TO 2.

CHECK POWER SUPPLY CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect TCU connector.

  3. Check voltage between TCU connector and ground.

    TCU Ground Condition

    Voltage

    (Approx.)
    Connector Terminal
    M126 1 Ignition switch: OFF Battery voltage
    2 Ignition switch: ACC
    10 Ignition switch: ON

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness or connectors.

CHECK GROUND CIRCUIT

  1. Ignition switch OFF.

  2. Check continuity between TCU connector and ground.

    TCU Ground Continuity
    Connector Terminal
    M126 28 Yes
    29

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Repair or replace harness or connectors.

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    Nissan Murano. Autolight system

    The autolight system allows the headlights to turn on and off automatically. The autolight system can:

    Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.

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