Power supply and ground circuit
BCM (body control module)Power seat switch ground circuit
Diagnosis Procedure
1. CHECK POWER SEAT SWITCH LH GROUND CIRCUIT
Turn ignition switch OFF.
Disconnect power seat switch LH.
Check continuity between power seat switch LH connector and
ground.
...
Power supply and ground circuit
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
Disconnect audio unit connector M133.
Check voltage between the audio unit connector M133 and ground.
3.GROUND C ...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the AV control unit
using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect AV control unit connector and microphone connector ...