Nissan Maxima Service and Repair Manual: Subwoofer

Nissan Maxima Service and Repair Manual / Driver information & multimedia / Audio, visual & navigation system / DTC/circuit diagnosis / Subwoofer

Description

The AV control unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the subwoofers using the audio signal circuits.

Diagnosis Procedure

1.CONNECTOR CHECK

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

  • Proper connection
  • Damage
  • Disconnected or loose terminals

2.HARNESS CHECK

Nissan Maxima. HARNESS CHECK

  1. Disconnect BOSE speaker amp. connector B110 and suspect rear subwoofer connector.
  2. Check continuity between BOSE speaker amp. harness connector B110 (A) and suspect rear subwoofer harness connector (B).
  3. Check continuity between BOSE speaker amp. harness connector B110 (A) and ground

Nissan Maxima. HARNESS CHECK

Nissan Maxima. HARNESS CHECK

3.REAR SUBWOOFER SIGNAL CHECK

Nissan Maxima. REAR SUBWOOFER SIGNAL CHECK

  1. Connect BOSE speaker amp. connector B110 and suspect rear subwoofer connector.
  2. Turn ignition switch to ACC.
  3. Push POWER switch.
  4. Check the signal between BOSE speaker amp. harness connector B110 terminals with CONSULT or oscilloscope.

Nissan Maxima. REAR SUBWOOFER SIGNAL CHECK

4.HARNESS CHECK

Nissan Maxima. HARNESS CHECK

  1. Disconnect AV control unit connector M157 and BOSE speaker amp. connector B109.
  2. Check continuity between AV control unit harness connector M157 (A) and BOSE speaker amp. harness connector B109 (B).
  3. Check continuity between AV control unit harness connector M157 (A) terminal and ground

Nissan Maxima. HARNESS CHECK

Nissan Maxima. HARNESS CHECK

5.REAR SUBWOOFER SIGNAL CHECK

Nissan Maxima. REAR SUBWOOFER SIGNAL CHECK

  1. Connect AV control unit connector M157 and BOSE speaker amp. connector B109.
  2. Turn ignition switch to ACC.
  3. Push POWER switch.
  4. Check the signal between AV control unit harness connector terminals with CONSULT or oscilloscope.

Nissan Maxima. REAR SUBWOOFER SIGNAL CHECK

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    AMP on signal circuit
    Description When the audio system is turned on, a voltage signal is supplied from the AV control unit to the BOSE speaker amp. When this signal is received, the BOSE speaker amp. will turn on. D ...

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