Rear Speaker

REAR SPEAKER

Description

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


Diagnosis Procedure

Regarding Wiring Diagram information, Base Audio or Sedan.

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 (coupe) or M85 (sedan)
(A) and suspect speaker connector.
2.Check continuity between audio unit harness connector M43
(coupe) or M85 (sedan) (A) and suspect speaker harness connector (B).





3.Check continuity between audio unit harness connector M43
(coupe) or M85 (sedan) (A) and ground.





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

3. REAR SPEAKER SIGNAL CHECK






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





Is the audio signal voltage as specified?
YES- Replace rear speaker. Base Audio Coupe or Base Audio Sedan.
NO- Replace audio unit. Base Audio.