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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1000 (Audio, Visual, Navigation System) >> BOSE W/Monochrome Display >> Component Diagnosis >> Rear Door Speaker >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. HARNESS CHECK
    1. Disconnect BOSE speaker amp. connectors B109, B110 and suspect speaker connector.
    2. Check continuity between BOSE speaker amp. harness connectors B109 (A) and B110 (B) and suspect speaker harness connector (C).
      CONNECTOR TERMINAL CONTINUITY CHART

      Connector Terminal Connector Terminal Continuity
      A: B109 15 C: D202 2 Yes
      28 1
      B: B110 9 C: D302 2
      14 1
      Fig 1: Checking Continuity Between Bose Speaker Amp Connectors B109 And B110 And Suspect Speaker Harness Connector
      G05885790Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between BOSE speaker amp. harness connectors B109 (A) and B110 (B) and ground.
    CONNECTOR TERMINAL CONTINUITY CHART

    Connector Terminal - Continuity
    A: B109 15 Ground No
    28
    B: B110 9
    14

    Are the continuity test results as specified? 

    YES: GO TO 2.

    NO:

    • Check connector housings for disconnected or loose terminals.
    • Repair harness or connector.
  2. REAR DOOR SPEAKER SIGNAL CHECK
    1. Connect BOSE speaker amp. connectors and suspect speaker connector.
    2. Turn ignition switch to ACC.
    3. Push POWER switch.
    4. Check the signal between BOSE speaker amp. harness connectors B109 (A) and B110 (B) terminals with CONSULT-III or oscilloscope.
    CONNECTOR TERMINAL SIGNAL CHART

    Connector Terminals Condition Reference signal
    (+) (-)
    A: B109 28 15 Receive audio signal
    G05885791Courtesy of NISSAN MOTOR CO., U.S.A.
    B: B110 14 9
    Fig 2: Checking Signal Between BOSE Speaker Amp Harness Connectors B109 And B110
    G05885792Courtesy of NISSAN MOTOR CO., U.S.A.

    Are audio signal voltage readings as specified? 

    YES: Replace suspect speaker. Refer to "REMOVAL AND INSTALLATION ".

    NO: GO TO 3.

  3. HARNESS CHECK
    1. Disconnect audio unit connector M132 and BOSE speaker amp. connector B109.
    2. Check continuity between audio unit harness connector M132 (A) and BOSE speaker amp. harness connector B109 (B).
      CONNECTOR TERMINAL CONTINUITY CHART

      A B Continuity
      Connector Terminal Connector Terminal
      M132 4 B109 24 Yes
      5 23
      13 26
      14 25
      Fig 3: Checking Continuity Between Audio Unit Connector M132 And Bose Speaker Amp Harness Connector B109
      G05885793Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between audio unit harness connector M132 (A) and ground.
    CONNECTOR TERMINAL CONTINUITY CHART

    A - Continuity
    Connector Terminal
    M132 4 Ground No
    5
    13
    14

    Are the continuity test results as specified? 

    YES: GO TO 4.

    NO:

    • Check connector housings for disconnected or loose terminals.
    • Repair harness or connector.
  4. REAR DOOR SPEAKER SIGNAL CHECK
    1. Connect audio unit connector M132 and BOSE speaker amp. connector B109.
    2. Turn ignition switch to ACC.
    3. Push POWER switch.
    4. Check the signal between audio unit harness connector terminals with CONSULT-III or oscilloscope.
    CONNECTOR TERMINAL SIGNAL CHART

    Connector Terminals Condition Reference signal
    (+) (-)
    M132 4 5 Receive audio signal
    G05885794Courtesy of NISSAN MOTOR CO., U.S.A.
    13 14
    Fig 4: Checking Signal Between Audio Unit Harness Connector Terminals
    G05885795Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the audio signal voltage reading as specified? 

    YES: Replace BOSE speaker amp. Refer to "REMOVAL AND INSTALLATION ".

    NO: Replace audio unit. Refer to "REMOVAL AND INSTALLATION ".

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