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

Commercial Service Tool

Precaution
Symptom diagnosisMicrophone 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 ...
B210C starter control relay
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B210C is displayed with DTC
U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-29, "DTC Logic".
If DTC B210C is displayed with DTC
U1010, first perform the trouble diagnosis for DTC U1010. Refer to
SEC-30, "D ...
U1218 AV control unit
DTC Logic
U1219 AV CONTROL UNIT
DTC Logic
U121A AV CONTROL UNIT
DTC Logic
U121B AV CONTROL UNIT
DTC Logic
U121C AV CONTROL UNIT
DTC Logic
...