Nissan Murano: Dtc/circuit Diagnosis / B1305 Control Unit Internal Fault

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Display Audio System - With 8" Color Display / Dtc/circuit Diagnosis / B1305 Control Unit Internal Fault

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
B1305–04

Control unit internal error

(Audio unit internal fault)
[—] Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold Internal fault
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

Audio unit internal fault

FAIL-SAFE

Audio unit internal error

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait at least 30 seconds.

  3. Ignition switch ON and wait at least 30 seconds or more.

  4. Select “Self Diagnostic Result” mode of “MULTI AV”.

  5. Check DTC.

Is DTC B1305–04 detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

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

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait at least 30 seconds.

  3. Ignition switch ON and wait at least 30 seconds or more.

  4. Select “Self Diagnostic Result” mode of “MULTI AV”.

  5. Check DTC.

Is DTC B1305–04 detected?

YES>>

Replace audio unit. Refer to Removal and Installation.

NO>>

Inspection End.

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