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: P2138 App Sensor


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    Nissan Murano (Z52) 2015-2024 Service Manual: C1a4a-82 Tcm Can Circuit1


    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition   C1A4A-82 TCM CAN CIRC1 (TCM CAN circuit1) Diagnosis condition When engine is running When MAIN switch of ICC system is ON Signal (terminal) CAN communication signal Threshold If ADAS control unit detects an error signal that is received from TCM via CAN communication Diagnosis delay time 1 second or less POSSIBLE CAUSE TCM ADAS control unit FAIL-SAFEThe following systems are canceled: Automatic Emergency Braking (AEB) with pedestrian detection Automatic Emergency Braking (AEB) Intelligent Forward Collision Warning (I-FCW) Blind Spot Warning (BSW) Rear Cross Traffic Alert (RCTA) Lane Departure Warning (LDW) Intelligent Lane Intervention (I-LI) Confirmation Procedure CHECK DTC PRIORITY If DTC “C1A4A-82” is displayed with DTC “U1000–01”, first diagnose the DTC “U1000–01”...

    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.

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