Mid Audio

FRONT TWEETER

Description

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


Diagnosis Procedure

Regarding Wiring Diagram information, Mid Audio System.

1. CONNECTOR CHECK

Check the AV control 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 AV control unit connector M131 and suspect front tweeter connector.
2.Check continuity between AV control unit harness connector
M131 (A) and suspect front tweeter harness connector (B).





3.Check continuity between AV control unit harness connector
M131 (A) and ground.





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

3. FRONT TWEETER SIGNAL CHECK






1.Connect AV control unit connector M131 and front tweeter connector.
2.Turn ignition switch to ACC.
3.Push "POWER" switch.
4.Check the signal between AV control unit harness connector
M131 terminals with CONSULT or oscilloscope.





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