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

AUDIO


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

1.HARNESS CHECK
1. Disconnect audio unit connector and rear door speaker connector.
2. Check continuity between audio unit (A) connector terminal and rear door speaker (B) 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.REAR SPEAKER SIGNAL CHECK
1. Connect audio unit connector and rear 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 .
NG >> Replace audio unit. Refer to Service and Repair .