Base Audio

FRONT TWEETER

Description

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


Diagnosis Procedure

Regarding Wiring Diagram information, Audio System.

1. CONNECTOR CHECK

Check the audio unit and speaker connectors for the following:
- Proper connection
- Damage
- Disconnected or loose terminals
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. HARNESS CHECK






1.Disconnect audio unit connector M43 and suspect front tweeter connector.
2.Check continuity between audio unit harness connector M43 (A)
and suspect front tweeter harness connector (B).





3.Check continuity between audio unit harness connector M43 (A)
and ground.





Are the continuity results as specified?
YES- GO TO 3
NO- Repair or replace harness or connector.

3. FRONT TWEETER SIGNAL CHECK






1.Connect audio unit connector M43 and front tweeter connector.
2.Turn ignition switch to ACC.
3.Push audio unit "POWER" switch.
4.Check the signal between audio unit harness connector M43
terminals with CONSULT or oscilloscope.





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