1. Vehicles with TFT type multi-information display: Some function settings can be changed by operating the multi-information display.
2. Settings that can be changed by your Toyota dealer
Definition of symbols: O = Available, -- = Not available






Customizable features
Customizing the features by using the multi-information display (vehicles with
TFT type multi-information display)Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
This DTC is stored when the engine switch power source supply line is open or
shorted.
DTC No.
DTC Detection Condition
Trouble Area
B278A
Engine switch power source supply line is ope ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
Skid control ECU
Steering angle sensor
Steering angle sensor request signal
...
Entry Answer-back Buzzer does not Sound
DESCRIPTION
The smart key system uses the wireless door lock buzzer to perform various vehicle
exterior warnings. When the conditions for each warning are met, the certification
ECU (smart key ECU assembly) sends a buzzer request signal to the main body E ...