Toyota Corolla (E120): Circuit description

The key unlock warning switch comes on when the ignition key is inserted in the key cylinder and goes off when the ignition key is removed.

Wiring diagram

Inspection procedure

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    Brake fluid
    ■ Checking fluid level The brake fluid level should be between the “MAX” and “MIN” lines on the tank. ■ Adding fluid Make sure to check the fluid type and prepare the necessary item. 1 Slide and lift up the rubber strip to partially remove it as shown. 2 Disconnect the ...

    If a warning light turns on or a warning buzzer sounds
    Calmly perform the following actions if any of the warning lights comes on or flashes. If a light comes on or flashes, but then goes off, this does not necessarily indicate a malfunction in the system. However, if this continues to occur, have the vehicle inspected by your Toyota dealer. Actions to ...

    Transmission wire (atm)
    Replacement 1. Remove transmission valve body assy 2. Remove transmission wire Disconnect the transmission wire connector.  removal the bolt and transmission wire. 3. Install transmission wire Coat a o–ring with atf.  install the transmission wire and bolt. To ...