Nissan Maxima Service and Repair Manual: 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.

Diagnosis Procedure

1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)

Nissan Maxima. CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)

  1. Turn audio system ON.
  2. Check voltage between BOSE speaker amp. harness connector B109 terminal 20 and ground.

Nissan Maxima. CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)

2.CHECK AMP ON SIGNAL (AV CONTROL UNIT)

Nissan Maxima. CHECK AMP ON SIGNAL (AV CONTROL UNIT)

Check voltage between AV control unit harness connector M157 terminal 110 and ground.

Nissan Maxima. CHECK AMP ON SIGNAL (AV CONTROL UNIT)

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