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.

    U1a10 Airbag Signal

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition U1A10 AIRBAG SIGNAL (Airbag signal) Diagnosis condition When ignition switch is ON...

    Symptom Diagnosis

    ..

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: U1010 Control Unit(can)


    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition U1010 CONTROL UNIT(CAN) (Control unit CAN) Diagnosis condition When ignition switch ON. Signal (terminal) — Threshold — Diagnosis delay time 2 seconds or more POSSIBLE CAUSE IPDM E/R FAIL-SAFE— DTC Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON and wait for 2 seconds or more...

    Nissan Murano (Z52) 2015-2024 Service Manual: Sonar System :: Ecu Diagnosis Information. Sonar Control Unit


    Values on the Diagnosis Tool NOTE: The following table includes information (items) inapplicable to this Nissan Murano vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. Monitor Item Condition Value/Status Nissan Murano Vehicle SPEED While driving, equivalent to speedometer reading mph, km/h SONAR C/U POWER SUPPLY Key ON...

    Categories

    Autolight system

    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.

    read more

     
    Copyright © 2026 www.nimurano.com