Toyota Yaris: Smart Key System (for Start Function) / Precaution

PRECAUTION

CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES

CAUTION:

As weak radio waves are emitted from the electrical key transmitter sub-assembly, if a pacemaker is being used, be sure to read the pacemaker instruction manual and the following.

HINT:

The smart key system can be disabled by a customize setting.

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PRECAUTION WHEN USING GTS

(a) When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

PRECAUTIONS FOR AUXILIARY BATTERY

(a) If the auxiliary battery became discharged and then was charged or the cable was disconnected and reconnected to the (-) auxiliary battery terminal, the steering lock may not be released and the engine may not be able to be started unless the driver door is opened and closed with the ignition switch off.

(b) After the auxiliary battery is removed and reinstalled, be sure to wait at least 10 seconds before the next engine start. The engine may not start immediately after the auxiliary battery is reinstalled.

PRECAUTION FOR REGISTRATION

(a) If replacing any of the following parts, refer to Registration.

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(1) Certification ECU (smart key ECU assembly)

(2) Steering lock ECU (steering lock actuator or upper bracket assembly)

(3) ECM

(4) Electrical key transmitter sub-assembly

(5) Main body ECU (multiplex network body ECU)

(6) ID code box (immobiliser code ECU)

PRECAUTIONS FOR STEERING LOCK / UNLOCK FUNCTION

(a) After turning the ignition switch off and opening and closing any of the doors, the steering wheel will be locked due to the steering lock function. Operating the engine switch again automatically cancels the steering lock function.

(b) To prevent the steering lock motor from overheating, the motor operation may be suspended if the steering is locked and unlocked repeatedly in a short period of time. In this case, refrain from operating the engine switch. After about 10 seconds, the steering lock motor will resume functioning.