Toyota Corolla (E120): Circuit description

Hint:

Hint

: there is a case that hand–held tester cannot be used when ecu is abnormal.

Wiring diagram

Inspection procedure

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    Smart key system
    The following operations can be performed simply by carrying the electronic key on your person, for example in your pocket. The driver should always carry the electronic key. Locks and unlocks the doors Opens the trunk Starts the engine ■Antenna location Antennas outside the cabin Ante ...

    Setting the vehicle speed
    1 Press the “ON-OFF” button to activate the cruise control. Cruise control indicator will come on. Press the button again to deactivate the cruise control. 2 Press the “ON-OFF” button to activate the cruise control. Cruise control indicator will come on. Press the button again to deac ...

    Inspection procedure
    Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...