Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » Accessories and Optional Equipment » Radio, Stereo, and Compact Disc » Testing and Inspection » Component Tests and General Diagnostics » Front Door Speaker (Sedan) » Base Audio  
 
 
  Base Audio  
 

FRONT DOOR SPEAKER (SEDAN)

Description

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

FRONT DOOR SPEAKER (SEDAN)

Diagnosis Procedure

1.HARNESS CHECK

  

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

  

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

  

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

  • Check connector housings for disconnected or loose terminals.
  • Repair harness or connector. 2.FRONT DOOR SPEAKER SIGNAL CHECK
  1. Connect audio unit connector and front speaker 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 speaker. Refer to See: Speaker\Service and Repair\Front Door Speaker\Base Audio.
NO >> Replace audio unit. Refer to See: Radio/Stereo\Service and Repair\Audio Unit\Base Audio.