LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio System >> Inspection

Audio System: Inspection

Symptoms Inspection steps
No power coming in. (No display and no sound from speakers.)
  1. Check the fuse and power supply for audio.
  2. Check the audio ground.
  3. Remove the audio and repair them.
A specific speaker does not operate.
  1. Check the speaker.
  2. Check the output circuit between audio and speaker.
  3. Check the power amplifier. (Model with power amplifier)
Audio generates noise with engine running.
  1. Check the audio ground.
  2. Check the generator.
  3. Check the ignition coil.
  4. Remove the audio and repair them.
Volume is low in AM and FM modes or interference noise occurs.
  1. Check the antenna.
  2. Check the rear window defogger.
  3. Check the audio ground.
  4. Remove the audio and repair them.
Rear window defogger generates noise when it operate.
  1. Check the rear window defogger.
Interruption screen of "Audio abnormality" is displayed on the MFD.
  1. Refer to "Diagnostics with Phenomenon" of "INSTRUMENTATION/DRIVER INFO (DIAGNOSTICS)" article. <Ref. to INTERRUPTION SCREEN OF "AUDIO ABNORMALITY" WAS DISPLAYED ON THE MFD , INSPECTION, Diagnostics with Phenomenon.>
scientia non olet · About LEMON Manuals