Nissan Murano: Dtc/circuit Diagnosis / Amp on Signal Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Navigation with Bose / Dtc/circuit Diagnosis / Amp on Signal Circuit

Diagnosis Procedure

CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND BOSE SPEAKER AMP.

  1. Ignition switch OFF.

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

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

    AV control unit Bose speaker amp. Continuity
    Connector Terminal Connector Terminal
    M161 1 B121 20 Yes
  4. Check continuity between AV control unit connector and ground.

    AV control unit Ground Continuity
    Connector Terminal
    M161 1 No

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace harness or connectors.

CHECK AV CONTROL UNIT VOLTAGE

  1. Connect AV control unit connector.

  2. Ignition switch ON.

  3. Check voltage between AV control unit connector and ground.

    AV control unit Ground

    Voltage

    (Approx.)
    (+) (–)
    Connector Terminal
    M161 1 Battery voltage

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.

    Instrument Panel Tweeter

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