Sound Is Not Heard from Front Door Speaker (Base System)

AUDIO


Sound Is Not Heard from Front Door Speaker (Base System)

1.HARNESS CHECK
1. Disconnect audio unit connector and front door speaker connector (LH or RH).
2. Check continuity between audio unit connector M43 (A) terminal and suspect speaker connector (B) terminal.










3. Check continuity between audio unit connector M43 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 and suspect speaker 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 speaker. Refer to Service and Repair or Service and Repair .
NG >> Replace audio unit. Refer to Service and Repair .