Nissan Murano: Dtc/circuit Diagnosis / U0102 Lost Communication (transfer)

Nissan Murano (Z52) 2015-2024 Service Manual / Transmission & Driveline / Transaxle & Transmission :: Cvt: Re0f10j / Dtc/circuit Diagnosis / U0102 Lost Communication (transfer)

DTC Description

DTC DETECTION LOGIC

When the ignition switch is ON, TCM is unable to receive the CAN communications signal from AWD control unit continuously for 2 seconds or more.

DTC

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
U0102

LOST COMM (TRANSFER)

(Lost Communication With Transfer Case Control Module)
Diagnosis condition When the ignition switch is ON
Signal CAN communication signal
Threshold TCM is unable to receive the CAN communications signal from AWD control unit
Diagnosis delay time Continuously for 2 seconds or more

POSSIBLE CAUSE

  • AWD control unit

  • Harness or connector (CAN communication line is open or shorted)

FAIL-SAFE

Not changed from normal driving

DTC Confirmation Procedure

PREPARATION BEFORE WORK

If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Start the engine and wait for at least 5 seconds.

  2. Check the DTC.

Is “U0102” detected?

YES>>

Go to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

For the diagnosis procedure, refer to DESCRIPTION.

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