Audio System - Subaru 2009 IMPREZA Service Manual

2. Audio System

A: WIRING DIAGRAM
1. AUDIO
<Ref. to WI-122, WIRING DIAGRAM, Audio System.>
B: INSPECTION
Symptom
No power coming 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.
C: NOTE
For procedure of each component in the audio system, refer to the respective section.
• Audio unit <Ref. to ET-6, Audio.>
• Front speaker <Ref. to ET-7, Front Speaker.>
• Tweeter <Ref. to ET-8, Tweeter.>
• Rear speaker <Ref. to ET-9, Rear Speaker.>
• Antenna <Ref. to ET-10, Antenna.>
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 audio ground.
3. Remove the audio for repair.
ET-3
ENTERTAINMENT
Repair order