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

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