The following keys are provided with the vehicle.
Vehicles without engine immobilizer
system

Master keys
Key number plate
Vehicles with engine immobilizer
system

Master keys
Key number plate
■Key number plate
Keep the plate in a safe place such as your wallet, not in the vehicle. In the event that a key is lost, a new key can be made by your Toyota dealer using the key number plate.
NOTICE
■To prevent key damage (vehicles with engine immobilizer system)
●Do not subject the keys to strong shocks, expose them to high temperatures by placing them in direct sunlight, or get them wet.
●Do not expose the keys to electromagnetic materials or attach any material that blocks electromagnetic waves to the key surface.
Before drivingFront Radar Sensor (C1A10)
DESCRIPTION
C1A10 is output when there is an internal malfunction in the millimeter wave
radar sensor assembly.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
C1A10
Front Radar Sensor
W ...
Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION
When the communication line (IMI - EFIO) between the ECM and certification ECU
(smart key ECU assembly) is stuck high, the ECM stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
...
Torque Converter Clutch Circuit Short to Battery or Open (P074015)
DESCRIPTION
Shift solenoid valve SL is turned on and off by signals from the ECM to control
the hydraulic pressure acting on the lock-up relay valve, which then controls operation
of the lock-up clutch.
DTC No.
DTC Detection Condition
Trouble Area
SA ...