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

AUDIO


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

1. HARNESS CHECK
1. Turn ignition switch OFF.
2. Disconnect audio amplifier connector B43 and suspect speaker connector.
3. Check continuity between audio amplifier harness connector terminal and suspect speaker harness connector terminal.










4. Check continuity between audio amplifier 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 amplifier connector B43 and suspect speaker connector.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.





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






OK or NG
OK >> Replace suspect speaker. Refer to Service and Repair or Service and Repair.
NG >> GO TO 3.
3. HARNESS CHECK
1. Turn ignition switch OFF.
2. Disconnect audio unit connector M43 and audio amplifier connector B43.
3. Check continuity between audio unit harness connector terminals and audio amplifier harness connector terminals.










4. Check continuity between audio unit harness connector terminals and ground.






OK or NG
OK >> GO TO 4.
NG >>
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
4. FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector and audio amplifier connector.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.
4. Check the signal between audio unit harness connector terminals with CONSULT-III or oscilloscope.










OK or NG
OK >> Replace audio amplifier. Refer to Service and Repair.
NG >> Replace audio unit. Refer to Service and Repair.