Nissan Murano: Dtc/circuit Diagnosis / Instrument Panel Tweeter

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

Diagnosis Procedure

CONNECTOR CHECK

Check the AV control unit, Bose speaker amp. and speaker connectors for the following:

  • Proper connection

  • Damage

  • Disconnected or loose terminals

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair the terminals or connectors.

CHECK INSTRUMENT PANEL TWEETER SIGNAL CIRCUIT CONTINUITY (BOSE SPEAKER AMP.)

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector and suspect instrument panel tweeter connector.

  3. Check continuity between Bose speaker amp. connector and suspect instrument panel tweeter connector.

    Bose speaker amp. Instrument panel tweeter Continuity
    Connector Terminal Connector Terminal
    B120 1 M62 (LH) 1 Yes
    2 2
    4 M73 (RH) 1
    3 2

  4. Check continuity between Bose speaker amp. connector and ground.

    Bose speaker amp. Ground Continuity
    Connector Terminal
    B120 1 — No
    2
    4
    3

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness or connectors.

CHECK INSTRUMENT PANEL TWEETER SIGNAL (BOSE SPEAKER AMP.)

  1. Connect Bose speaker amp. connector and suspect instrument panel tweeter connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector.

    Bose speaker amp. connector B120 Condition Reference value
    (+) (−)
    Terminal Terminal
    1 2 Audio signal output

    4 3

Is the inspection result normal?

YES>>

Replace instrument panel tweeter. Refer to Removal and Installation.

NO>>

GO TO 4.

CHECK INSTRUMENT PANEL TWEETER SIGNAL CIRCUIT CONTINUITY (AV CONTROL UNIT)

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector and AV control unit connector.

  3. Check continuity between Bose speaker amp. connector and AV control unit connector.

    Bose speaker amp. AV control unit Continuity
    Connector Terminal Connector Terminal
    B121 35 M161 2 Yes
    36 3
    33 11
    34 12

  4. Check continuity between Bose speaker amp. connector and ground.

    Bose speaker amp. Ground Continuity
    Connector Terminal
    B121 35 — No
    36
    33
    34

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK INSTRUMENT PANEL TWEETER SIGNAL (AV CONTROL UNIT)

  1. Connect Bose speaker amp. connector and AV control unit connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between AV control unit connector and ground.

    AV control unit Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    M161 2 3 Audio signal output

    11 12

Is the inspection result normal?

YES>>

Replace Bose speaker amp. Refer to Removal and Installation.

NO>>

Replace AV control unit. Refer to Removal and Installation.

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