Toyota Corolla (E210) 2019-2025 Owners Manual / When trouble arises / Steps to take in an emergency / If the electronic key does not operate properly (vehicles with a smart key system)

Toyota Corolla (E210): If the electronic key does not operate properly (vehicles with a smart key system)

If communication between the electronic key and vehicle is interrupted or the electronic key cannot be used because the battery is depleted, the smart key system and wireless remote control cannot be used. In such cases, the doors can be opened and the engine can be started by following the procedure below.

■When the electronic key does not work properly

  • Make sure that the smart key system has not been deactivated in the customization setting. If it is off, turn the function on.
  • Check if battery-saving mode is set. If it is set, cancel the function.
  • The electronic key function may be suspended.

NOTICE

■In case of a smart key system malfunction or other key-related problems

Take your vehicle with all the electronic keys provided with your vehicle to your Toyota dealer.

Locking and unlocking the doors

Use the mechanical key in order to perform the following operations:

  1. Locks all the doors
  2. Unlocks all the doors

Turning the key unlocks the driver's door. Turning the key again unlocks the other doors.

■Key linked functions

  1. Closes the windows and moon roof*1 (turn and hold)*2
  2. Opens the windows and moon roof*1 (turn and hold)*2

*1:If equipped
*2:This setting must be customized at your Toyota dealer.

WARNING

■When using the mechanical key and operating the power windows or moon roof (if equipped)

Operate the power window or moon roof after checking to make sure that there is no possibility of any passenger having any of their body parts caught in the window or moon roof.

Also, do not allow children to operate the mechanical key. It is possible for children and other passengers to get caught in the power window or moon roof.

Starting the engine

1. Ensure that the shift lever is in P and depress the brake pedal.

2. Touch the electronic key to the engine switch.

When the electronic key is detected, a buzzer sounds and the engine switch will turn to ON.

When the smart key system is deactivated in customization setting, the engine switch will turn to ACC.

3. Firmly depress the brake

3. Firmly depress the brake pedal and check that shown on the multi-information is shown on the multi-information display.

4. Press the engine switch shortly and firmly.

In the event that the engine still cannot be started, contact your Toyota dealer.

■Stopping the engine

Shift the shift lever to P and press the engine switch as you normally do when stopping the engine.

■Electronic key battery

As the above procedure is a temporary measure, it is recommended that the electronic key battery be replaced immediately when the battery is depleted.

■Changing engine switch modes

Release the brake pedal and press the engine switch in step 3 above.

The engine does not start and modes will be changed each time the switch is pressed.

    Share this page:

    Other materials:

    Inspection procedure
    1 Inspect fuse(stop) Turn the ignition switch to off.  remove the stop fuse from the instrument panel j/b.  check continuity of the stop fuse. Ok: continuity 2 Inspect stop lamp switch assy Disconnect the stop lamp switch assy connector. check continuity betw ...

    Problem symptoms table
    If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page. Notice: when replacing skid control ecu, sensor or etc., Turn the ignition swi ...

    Inspection procedure
    1 Inspect terminal voltage(od – body ground) Disconnect the cruise control ecu connector.  turn the ignition switch to the on position.  measure the voltage between terminal od of cruise control ecu and body ground. Standard: 2 Inspect terminal voltage(od1 – bod ...