Base Audio

FRONT TWEETER


Description

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





FRONT TWEETER


Diagnosis Procedure

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





1. Disconnect audio unit connector M38 (A) and suspect front tweeter connector (B).
2. Check continuity between audio unit harness connector M38 (A) and suspect front tweeter harness connector (B).






3. Check continuity between audio unit harness connector M38 (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 front 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. Removal And Installation.