POWER SUPPLY AND GROUND CIRCUIT AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.

2.POWER SUPPLY CIRCUIT CHECK


3.GROUND CIRCUIT CHECK
Inspect audio unit case ground.
SUBWOOFER AMP
SUBWOOFER AMP : Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.

2.CHECK POWER SUPPLY CIRCUIT

3.CHECK GROUND CIRCUIT
Check continuity between subwoofer amp harness connector and ground.

DISPLAY UNIT
DISPLAY UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.

2.POWER SUPPLY CIRCUIT CHECK


3.GROUND CIRCUIT CHECK


BLUETOOTH CONTROL UNIT
BLUETOOTH CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSE
Check that the following fuses of the Bluetooth control unit are not blown.

2.CHECK POWER SUPPLY CIRCUIT

Check voltage between Bluetooth control unit harness connector and ground.

3.CHECK GROUND CIRCUIT


MICROPHONE
MICROPHONE : Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

Check voltage between microphone harness connector and ground.

2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
3.CHECK GROUND CIRCUIT
Front door speaker Sliding sensor
Description
The sliding sensor is installed to the seat frame.
The pulse signal is input to the driver seat control unit when sliding
is performed.
The driver seat control unit counts the pulse and calculates the sliding
amount of the seat.
Component Function Check
1. CHECK FUNCTIO ...
Sunload sensor
Removal and Installation
REMOVAL
Remove the front LH speaker grille from the instrument panel.
Refer to IP-10, "Exploded View".
Disconnect the harness connector from the sunload sensor.
Release the sunload sensor tabs and remove the sunload sensor
(1) from the front LH speake ...
Subwoofer
Description
The audio unit sends audio signals to the subwoofer amp. The subwoofer amp.
amplifies the audio signals before sending them to the subwoofers using the
audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, subwoofer amp. and subwoofer connectors for t ...