Special Service Tool
The actual shapes of the tools may differ from those illustrated here.

Commercial Service Tools

Preparation
Clip listInsufficient heating
Component Function Check
Symptom
Insufficient heating
No warm air comes out. (Airflow volume is normal.)
INSPECTION FLOW
1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE INCREASE
Press the AUTO switch.
Turn temperature control switch (driver side) clockwise until 32C
...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect Bluetooth control unit connector and ...
RGB digital image signal circuit
Description
Transmit the image displayed with AV control unit with RGB digital image
signal to the display unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M151 and AV control unit
connector
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