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.

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    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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