Nissan Murano: Dtc/circuit Diagnosis / B13ec Factory Mode

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Navigation with Bose / Dtc/circuit Diagnosis / B13ec Factory Mode

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
B13EC–52

Factory mode

(AV control unit)
[—] Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time 30 seconds or more
B13EC–55 [CONFIG] Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • AV control unit in factory mode

  • AV control unit configuration

FAIL-SAFE

  • FTB 52: AV control unit factory mode error

  • FTB 55: AV control unit configuration 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 B13EC–52 or B13EC–55 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

DETERMINE MALFUNCTION TYPE

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 B13EC–52 or 55 detected?

YES>>

52 [—] – GO TO 3.

YES>>

55 [CONFIG] – GO TO 2.

NO>>

Refer to Intermittent Incident.

PERFORM CONFIGURATION PROCEDURE

Perform configuration of AV control unit. Refer to Work Procedure.

>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Erase DTC.

  3. Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.

Is DTC B1341 detected again?

YES>>

Replace AV control unit. Refer to Removal and Installation.

NO>>

Inspection End.

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