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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Audio, Visual & Navigation System (DTC/Circuit Diagnosis) (BOSE Audio Without Navigation) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> Instrument Panel Speaker/Tweeter >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. 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 STEP 2  .

    NO 

    Repair the terminals or connectors.

  2. CHECK INSTRUMENT PANEL TWEETER SIGNAL CIRCUIT CONTINUITY

    1. Disconnect BOSE speaker amp. connector and suspect instrument panel tweeter connector.
    2. Check continuity between BOSE speaker amp. connector and suspect instrument panel tweeter connector.
      BOSE speaker amp. Instrument panel tweeter Continuity
      Connector Terminal Connector Terminal
      B130 29 M62 (LH) 1 Yes
      30 2
      B129 4 M73 (RH) 1
      3 2
    3. Check continuity between BOSE speaker amp. connector and ground.
      BOSE speaker amp. Ground Continuity
      Connector Terminal
      B130 29 - No
      30
      B129 4
      3

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness or connectors.

  3. CHECK INSTRUMENT PANEL TWEETER SIGNAL

    1. Connect BOSE speaker amp. connector and suspect instrument panel tweeter connector.
    2. Turn ignition switch to ACC.
    3. Push AV control unit POWER switch.
    4. Check signal between terminals of BOSE speaker amp. connector.
      BOSE speaker amp. Condition Reference value
      (+) (-)
      Terminal Terminal
      29 30 Audio signal output
      G04084885Courtesy of NISSAN NORTH AMERICA, INC.
      4 3

    Is the inspection result normal?

    YES 

    Replace instrument panel tweeter. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 4  .

  4. CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY

    1. Disconnect AV control unit connector M197 and BOSE speaker amp. connector B130.
    2. Check continuity between AV control unit connector M197 and BOSE speaker amp. connector B130.
      AV control unit BOSE speaker amp. Continuity
      Connector Terminal Connector Terminal
      M197 113 B130 35 Yes
      119 36
      109 33
      115 34
    3. Check continuity between AV control unit connector M197 and ground.
      AV control unit Ground Continuity
      Connector Terminal
      M197 113 - No
      119
      109
      115

    Is the inspection result normal?

    YES 

    GO TO STEP 5. 

    NO 

    Repair or replace harness or connectors.

  5. CHECK PRE-AMP SIGNAL

    1. Connect AV control unit connector M197 and BOSE speaker amp. connector B130.
    2. Turn ignition switch to ACC.
    3. Push AV control unit POWER switch.
    4. Check signal between the terminals of AV control unit connector M197.
      AV control unit connector M197 Condition Reference value
      (+) (-)
      Terminal Terminal
      113 119 Audio signal output
      G04084885Courtesy of NISSAN NORTH AMERICA, INC.
      109 115

    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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