Nissan Murano: Dtc/circuit Diagnosis / U1a03 Sim Card

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Telematics System / Dtc/circuit Diagnosis / U1a03 Sim Card

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
U1A03

SIM CARD

(SIM card)
Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time 1 second or more

POSSIBLE CAUSE

TCU

FAIL-SAFE

  • Telematics system function stops

  • Call the NissanConnect Data Center and inform them that the telematics system cannot be connected.

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Erase DTC.

  3. Select “Self Diagnostic Result” mode of “TELEMATICS”.

  4. Check DTC.

Is DTC U1A03 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

CONSULT

  1. Ignition switch ON.

  2. Erase DTC.

  3. Select “Self Diagnostic Result” mode of “TELEMATICS”.

  4. Check DTC.

Is DTC U1A03 detected?

YES>>

Replace TCU. Refer to Removal and Installation.

NO>>

Inspection End.

    U1000 Can Comm Circuit

    DTC Description DESCRIPTIONCAN (Controller Area Network) is a serial communication line for real-time application. It is an on-Nissan Murano vehicle multiplex communication line with high data communication speed and excellent error detection ability...

    U1a04 Vin Unfinished

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition U1A04 VIN UNFINISHED (VIN unfinished) Diagnosis condition When ignition switch is ON...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: Component Parts. Tire Pressure Monitoring System


    Component Parts Location A. LH side of instrument panel (view with instrument panel removed) B. Combination meter (view with combination meter removed) C. RH side of instrument panel (view with instrument panel removed) D. Wheel (view with wheel and tire removed) E...

    Nissan Murano (Z52) 2015-2024 Service Manual: P2297 Air Fuel Ratio Sensor 1


    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P2297 A/F SENSOR1 (B1) (O2 Sensor Out of Range During Deceleration Bank 1 Sensor 1) Diagnosis condition Engine run and fuel shut off Signal — Threshold Air fuel ratio(A/F) sensor 1 bank 1 is out of normal range Diagnosis delay time — POSSIBLE CAUSEAir fuel ratio(A/F) sensor 1 bank1FAIL-SAFENot applicableDTC CONFIRMATION PROCEDUREPRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test...

    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