Nissan Murano: Dtc/circuit Diagnosis / U1a04 Vin Unfinished

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Telematics System / Dtc/circuit Diagnosis / 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.
Signal (terminal)
Threshold Nissan Murano Vehicle identification number is not written
Diagnosis delay time 1 second or more

POSSIBLE CAUSE

  • VIN number is not written

  • TCU

FAIL-SAFE

Telematics system does not function

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 U1A04 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 WRITING VIN DATA TO TCU

Perform writing VIN data to TCU. Refer to Description.

Was the writing of VIN data completed?

YES>>

GO TO 2.

NO>>

Replace TCU. Refer to Removal and Installation.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

Perform DTC confirmation procedure again. Refer to DTC Description.

Is DTC U1A04 detected again?

YES>>

Replace TCU. Refer to Removal and Installation.

NO>>

Inspection End.

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    Categories

    Seatback pockets

    Nissan Murano. Seatback pockets

    Theremaybe one or two seatback pockets located on the back of the driver and passenger seats. The pockets can be used to store maps.

    WARNING

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