Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » Accessories and Optional Equipment » Speaker » Testing and Inspection » Rear Speaker  
 
 
  Rear Speaker  
 

REAR SPEAKER

Description

The audio unit sends audio signals to the rear speakers using the rear speaker circuits.

REAR SPEAKER

Diagnosis Procedure

1.HARNESS CHECK

  1. Disconnect audio unit connector M43 (A) and suspect speaker connector.
  2. Check continuity between audio unit harness connector M43 (A) and suspect speaker harness connector (B).

  

  

  1. Check continuity between audio unit harness connector M43 (A) and ground.

  

Are the continuity results as specified?
YES >> GO TO 2
NO >>

  • Check connector housings for disconnected or loose terminals.
  • Repair harness or connector. 2.REAR SPEAKER SIGNAL CHECK
  1. Connect audio unit connector and rear tweeter connector.
  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.

  

  

Is the audio signal voltage as specified?
YES >> Replace rear speaker. Refer to See: Service and Repair\Rear Speaker\Removal And Installation - Coupe.
NO >> Replace audio unit. Refer to See: Radio/Stereo\Service and Repair\Audio Unit\Base Audio.