Base Audio

TWEETER


Description

The audio unit sends audio signals to the tweeters using the front door speaker circuits.




TWEETER


Diagnosis Procedure

Regarding Wiring Diagram information, Base Audio.
1.HARNESS CHECK





1. Disconnect audio unit connector M133 (A) and suspect tweeter connector (B).
2. Check continuity between audio unit harness connector M133
(A) and suspect tweeter harness connector (B).





3. Check continuity between audio unit harness connector M133
(A) and ground.






Are the continuity results as specified?
YES - GO TO 2.
NO - Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
2.TWEETER SIGNAL CHECK





1. Connect audio unit connector and tweeter 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.





Is the audio signal voltage as specified?
YES - Replace tweeter. Base Audio.
NO - Replace audio unit. Base Audio.