DOOR SPEAKER (COUPE)
Description
The audio unit sends audio signals to the door speakers using the door speaker circuits.
DOOR SPEAKER (COUPE)
Diagnosis Procedure
1.HARNESS CHECK
- Disconnect audio unit connector M43 (A) and suspect speaker connector (B).
- Check continuity between audio unit harness connector M43 (A) terminal and suspect speaker harness connector (B) terminal.
- Check continuity between audio unit harness connector M43 (A) terminal and ground.
Are continuity results as specified?
YES >> GO TO 2
NO >>
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector. 2.DOOR SPEAKER SIGNAL CHECK
- Connect audio unit connector and front speaker connector.
- Turn ignition switch to ACC.
- Push "POWER" switch.
- Check the signal between audio unit harness connector terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES >> Replace speaker. Refer to See: Speaker\Service and Repair\Front Door Speaker\Base Audio.
NO >> Replace audio unit. Refer to See: Radio/Stereo\Service and Repair\Audio Unit\Base Audio.
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