Subaru IMPREZA GD 2007 Series Manual page 3728

asieps_tobira_IM_US.book 3 ページ ２０１２年１月１７日 火曜日 午後３時４８分
2. Audio System
A: WIRING DIAGRAM
<Ref. to WI-140, WIRING DIAGRAM, Audio System.>
B: INSPECTION
Symptom
No power comes in. (No display and no sound from speakers)
A specific speaker does not operate.
Audio generates noise with engine is running.
Volume is low in AM and FM modes. Or interference noise
occurs.
Audio System
1. Check the fuse and power supply for audio.
2. Check the audio ground.
3. Remove the audio for repair.
1. Check the speaker.
2. Check the output circuit between audio and speaker.
1. Check the audio ground.
2. Check the generator.
3. Check the ignition coil.
4. Remove the audio for repair.
1. Check the antenna.
2. Check the antenna amplifier.
3. Check the noise suppressor.
4. Check the audio ground.
5. Remove the audio for repair.
ET-3
ENTERTAINMENT
Repair order