Base Audio

FRONT DOOR SPEAKER


Description

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




FRONT DOOR SPEAKER


Diagnosis Procedure

1.HARNESS CHECK
1. Disconnect audio unit connector M43 and suspect speaker connector.
2. Check continuity between audio unit harness connector M43 (A) terminal and suspect speaker harness connector (B) terminal.










3. 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.FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector M43 and front speaker connector.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.
4. Check the signal between audio unit harness connector M43 terminals with CONSULT-III or oscilloscope.










Is the audio signal voltage as specified?
YES - Replace speaker. Refer to Base Audio.
NO - Replace audio unit. Refer to 2DIN.