Nissan Murano: Dtc/circuit Diagnosis / B1328 External Microphone 1

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Navigation Without Bose / Dtc/circuit Diagnosis / B1328 External Microphone 1

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
B1328–13

External Microphone 1

(Microphone)
[OPEN] Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time 30 seconds or more
B1328–11 [GND–SHORT] Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time 30 seconds or more
B1328–12 [VB–SHOR] Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • Microphone is not connected

  • Harness or connector

FAIL-SAFE

Microphone is inoperative

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 B1328 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 B1328–11, 12 or 13 detected?

YES>>

13 [OPEN] or 11 [GND–SHORT] – GO TO 2.

YES>>

12 [VB–SHOR] – GO TO 3.

NO>>

Refer to Intermittent Incident.

CHECK MICROPHONE CIRCUITS FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect AV control unit connector and microphone connector.

  3. Check the continuity between AV control unit connector and microphone connector.

    AV control unit Microphone Continuity
    Connector Terminal Connector Terminal
    M162 39 R8 4 Yes
    40 1
    51 5
    59 2
  4. Check the continuity between AV control unit connector and ground.

    AV control unit Ground Continuity
    Connector Terminal
    M162 39 No
    40
    51

Is the inspection result normal?

YES>>

Replace microphone. Refer to Removal and Installation.

NO>>

Repair or replace harness or connectors.

CHECK MICROPHONE CIRCUITS FOR SHORT TO POWER SUPPLY

  1. Ignition switch ON.

  2. Check the voltage between AV control unit connector and ground.

    AV control unit Ground

    Voltage

    (Approx.)
    Connector Terminal
    M162 39 0 V
    40
    51
    59

Is the inspection result normal?

YES>>

Replace microphone. Refer to Removal and Installation.

NO>>

Repair or replace harness or connectors.

    B1321 Front Right Tweeter

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    B132a External Usb

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B132A–13 External USB (USB) [OPEN] Diagnosis condition When ignition switch is ON...

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