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 » Sound Signal Circuit (Coupe) » Base Audio  
 
 
  Base Audio  
 

SOUND SIGNAL CIRCUIT (COUPE)

SATELLITE RADIO TUNER : Description

Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the sound signal circuits.

SOUND SIGNAL CIRCUIT (COUPE)

SATELLITE RADIO TUNER : Diagnosis Procedure

LEFT CHANNEL
1.CHECK HARNESS

  

  1. Turn ignition switch OFF.
  2. Disconnect satellite radio tuner (factory installed) connector B57 and audio unit connector M45.
  3. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and audio unit connector M45 (B).

  

  1. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and ground.

  

Are continuity results as specified?
YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK LEFT CHANNEL AUDIO SIGNAL

  1. Connect satellite radio tuner (factory installed) and audio unit.
  2. Turn ignition switch ON.

  

  1. Check signal between satellite radio tuner (factory installed) connector B57 terminals 21 and 22 with CONSULT-III or oscilloscope.

  

Are voltage readings as specified?
YES >> Replace audio unit. Refer to See: Radio/Stereo\Service and Repair\Audio Unit\Base Audio.
NO >> Replace satellite radio tuner. Refer to See: Radio/Stereo\Service and Repair\Satellite Radio Tuner\Removal And Installation - Coupe\Bose Audio Without Navigation.

RIGHT CHANNEL
1.CHECK HARNESS

  

  1. Turn ignition switch OFF.
  2. Disconnect satellite radio tuner (factory installed) connector B57 and audio unit connector M45.
  3. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and audio unit connector M45 (B).

  

  1. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and ground.

  

Are continuity results as specified?
YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK RIGHT CHANNEL AUDIO SIGNAL

  1. Connect satellite radio tuner (factory installed) and audio unit.
  2. Turn ignition switch ON.

  

  1. Check signal between satellite radio tuner (factory installed) connector B57 terminals 23 and 24 with CONSULT-III or oscilloscope.

  

Are voltage readings as specified?
YES >> Replace audio unit. Refer to See: Radio/Stereo\Service and Repair\Audio Unit\Base Audio.
NO >> Replace satellite radio tuner. Refer to See: Radio/Stereo\Service and Repair\Satellite Radio Tuner\Removal And Installation - Coupe\Bose Audio Without Navigation.