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.Power Source Mode does not Change to ON (IG)
DESCRIPTION
When the engine switch is pushed with the electrical key in the cabin, the power
management control ECU receives signals to change the power source mode.
HINT:
To allow use of the Techstream to inspect the push-button start function when
the ...
Vehicle Specifications have not been Stored (B2451)
DESCRIPTION
The headlight leveling ECU assembly stores this DTC if the vehicle specifications
have not been stored in the ECU.
HINT:
The vehicle specifications are stored in the ECU at the factory.
DTC No.
DTC Detecting Condition
...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT SEAT WIRE RH (for Front Passenger Side)
(a) Engage each clamp and install the front seat wire RH.
2. INSTALL OCCUPANT CLASSIFICATION ECU (for Front Passenger Side)
3. INSTALL SEAT POSITION SENSOR
4. INSTALL SEA ...