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

    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...

    Steering Switches

    Diagnosis Procedure CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE Ignition switch OFF. Disconnect combination switch connector. Check resistance between the terminals of combination switch connector...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: B2422 Back Door State


    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B2422–78 BACK DOOR STATE (Back door state) Diagnosis condition All times Signal (terminal) Encoder LH A signal, encoder LH B signal, encoder RH A signal, encoder RH B signal (automatic back door control module connector terminal: 19, 20, 21) Threshold When the automatic back door control module detect the encoder pulse signal LH does not according with the encoder pulse signal RH Diagnosis delay time – B2422–79 BACK DOOR STATE (Back door state) Diagnosis condition All times Signal (terminal) – Threshold When automatic back door position information is deleted from automatic back door control module memory Diagnosis delay time – POSSIBLE CAUSE Improper installation of back door assembly Calibration of automatic back door position information Back door mechanism Encoder Harness or connectors (encoder circuit is open or shorted) Automatic back door control module Battery terminal is disconnected and reconnected FAIL-SAFEInhibit automatic back door system auto open/close function DTC Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON...

    Nissan Murano (Z52) 2015-2024 Service Manual: Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (one Key)


    Diagnosis Procedure Door does not lock/unlock with door request switch, and engine does not start when ignition switch is pressed while carrying Intelligent Key. (One Intelligent Key has the symptom, other keys operate normally.)SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY) Door lock operation (remote keyless entry) Door lock operation (request switch) or back door open operation (opener switch of back door panel) Engine started with push-button ignition switch operation (Intelligent Key is within the detection area of inside key antenna) Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch) OK NG No crank, No start OK DIAGNOSIS PROCEDURERefer to Diagnosis Procedure...

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