Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.Microphone
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INNER REAR VIEW MIRROR STAY HOLDER COVER
2. REMOVE TELEPHONE MICROPHONE ASSEMBLY (INNER REAR VIEW MIRROR ASSEMBLY)
Installation
INSTALLATION
PROCEDURE
1. INSTALL TE ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK FOR TRANSPONDER KEY ECU DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Immobiliser / Trouble Codes.
(e) Check the det ...
System Diagram
SYSTEM DIAGRAM
1. CAN AND DIRECT LINE SIGNALS
2. INPUT AND OUTPUT SIGNALS OF THE ACCESSORY METER ASSEMBLY
Warning light or indicator light
Communication Signal
Receiver
Communication Line
Sender
...