Sound Is Not Heard From Front Door Speaker Or Tweeter (Premium System)

AUDIO


Sound Is Not Heard from Front Door Speaker or Tweeter (Premium System)

1.HARNESS CHECK
1. Disconnect audio unit connector and front door speaker and tweeter connector (LH or RH).





2. Check continuity between audio unit harness connector terminal and front door speaker and tweeter harness connector terminal.





3. Check continuity between audio unit harness connector terminal and ground.





OK or NG
OK - GO TO 2.
NG -
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
2.FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector, front door speaker connector and tweeter connector.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.





4. Check the signal between audio unit connector terminals with
CONSULT-III or oscilloscope.





OK or NG
OK - Replace front speaker. Service and Repair .
NG - Replace audio unit. Service and Repair .