Nissan Murano: Dtc/circuit Diagnosis / B1341 Head Unit

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Navigation Without Bose / Dtc/circuit Diagnosis / B1341 Head Unit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1341–16

Head unit

(AV control unit) 		[VB–LOW] Diagnosis condition When ignition switch is ON.
Signal (terminal) –
Threshold –
Diagnosis delay time 30 seconds or more
B1341–17 [VB–HIGH] Diagnosis condition When ignition switch is ON.
Signal (terminal) –
Threshold –
Diagnosis delay time 30 seconds or more
B1341–49 [—] Diagnosis condition When ignition switch is ON.
Signal (terminal) –
Threshold –
Diagnosis delay time 30 seconds or more
B1341–55 [CONFIG] Diagnosis condition When ignition switch is ON.
Signal (terminal) –
Threshold –
Diagnosis delay time 30 seconds or more
B1341–98 [TEMP] Diagnosis condition When ignition switch is ON.
Signal (terminal) –
Threshold –
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • Charging system malfunction

  • AV control unit configuration

  • AV control unit

FAIL-SAFE

  • Failure type byte 16: battery protection shuts AV control unit down 60 seconds after low voltage condition

  • Failure type byte 17:

    • AV control unit display inoperative

    • Audio output is inoperative

  • Failure type byte 49: AV control unit internal failure

  • Failure type byte 55: AV control unit configuration error

  • Failure type byte 98: AV control unit shuts down after 5 seconds

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 B1341 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 B1341–16, 17, 49, 55 or 98 detected?

YES>>

16 [VB–LOW], or 17 [VB–HIGH] – GO TO 2.

YES>>

49 [—] – GO TO 4.

YES>>

55 [CONFIG] – GO TO 3.

YES>>

98 [TEMP] – GO TO 5.

NO>>

Refer to Intermittent Incident.

CHECK BATTERY VOLTAGE

Check 12 volt battery voltage.

Is 12 volt battery voltage less than 8.8V?

YES>>

Charge battery and retest. Refer to Work Flow (With 165-DSS-5000P), or (Without 165-DSS-5000P).

NO>>

Replace AV control unit. Refer to Removal and Installation.

PERFORM CONFIGURATION PROCEDURE

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

>>

GO TO 4.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

CONSULT

  1. Ignition switch ON.

  2. Erase DTC.

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

Is DTC B1341–49 or B1341–55 detected again?

YES>>

Replace AV control unit. Refer to Removal and Installation.

NO>>

Inspection End.

CHECK AV CONTROL UNIT

Visually check around AV control unit for a cause of high temperature.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Remove cause of high temperature.

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 B1341–98 detected?

YES>>

Replace AV control unit. Refer to Removal and Installation.

NO>>

Inspection End.

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