Nissan Murano: Dtc/circuit Diagnosis / B13d9 Usb Connection

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Telematics System / Dtc/circuit Diagnosis / B13d9 Usb Connection

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
B13D9

USB CONNECTION

(USB connection)
Diagnosis condition When ignition switch is ON.
Signal (terminal) USB communication signal
Threshold
Diagnosis delay time 1 second or more

POSSIBLE CAUSE

  • USB harness

  • TCU

FAIL-SAFE

  • Telematics system does not function

  • Inform a NissanConnect center about abnormality

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 B13D9 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

CHECK USB HARNESS CONNECTION

  1. Ignition switch OFF.

  2. Visually inspect USB harness connectors between AV control unit and TCU.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace USB harness.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

Perform DTC confirmation procedure again. Refer to DTC Description.

Is DTC B13D9 detected again?

YES>>

Replace TCU. Refer to Removal and Installation.

NO>>

Inspection End.

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