AUDIO — Flowchart No.3: Poor sound quality only when radio is played
J-12flowchartFlowchart No.3 — Symptom
Flowchart No.3
SymptomPoor sound quality only when radio is played
Possible cause:
- Damaged antenna
- Damaged audio unit
- Damaged antenna feeder
- Open or short circuit in wiring harness
- Poor connection of connector
Flowchart No.3 — Poor sound quality only when radio is played
1
Step 1: Check for continuity between the antenna mast and ground.
Continuity: Yes — Replace roof antenna
Replace roof antenna
Continuity: No — Go to Step 2
2
Step 2: Verify that the antenna base is securely installed.
Antenna base: Loose — Correct or reinstall
Correct or reinstall
Antenna base: OK — Go to Step 3
3
Step 3: 1. Remove the audio unit. (Refer to page J-20.) 2. Verify that the antenna jack is properly connected.
Connection: Loose — Reconnect connector
Reconnect connector
Connection: OK — Go to Step 4
4
Step 4: 1. Disconnect the antenna jack. 2. Check for continuity between the outer surface and at the center of the antenna jack.
Continuity: No — Replace audio unit
Replace audio unit
Continuity: Yes — Replace roof antenna
Replace roof antenna