Audio — Flowchart No.5: Poor sound quality when radio or cassette tape is played
J-14flowchartFlowchart No.5 — Symptom: Poor sound quality when radio or cassette tape is played
Possible cause:
• Damaged speaker
• Open or short circuit in wiring harness
• Poor connection of connector
Flowchart No.5 — Poor sound quality when radio or cassette tape is played
1
Step 1: 1. Remove the audio unit. (Refer to page J-20.) 2. Verify that the audio unit connector is properly connected. Reconnect it if necessary. 3. If the connections are OK, go to Step 2.
Connections OK
2
Step 2: Verify that the audio unit mounting screws are securely installed. Screws OK?
Loose
Tighten screws
OK
3
Step 3: 1. Disconnect the audio unit connector. 2. Check for continuity between terminal 3A (B) of the audio unit connector and ground. Continuity?
No
Repair wiring harness (Audio unit—GND)
Yes
4
Step 4: 1. Remove the all speaker. (Refer to page J-20.) 2. Verify that the door speaker connector and rear speaker connector is properly connected. Reconnect it if necessary. 3. If the connection is OK, go to Step 5.