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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    Diagnostic trouble code chart
    Notice: when removing the part, turn the ignition switch to off. Hint: using sst 09843–18040, it connect the terminal tc and cg of dlc3. If any abnormality is not found when inspecting parts, inspect the ecu and ground points for poor contact. If a malfunction code is displayed during ...

    Inspection procedure
    Hint: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using the hand–held tester. 1 Perform active test by hand–held tester(abs warning light) Check that ”on” and ”off” of the abs warning light can be shown on the ...

    Connecting a Bluetooth® audio player
    ► Registering an additional device Select “Select Device” on the Bluetooth® audio control screen. ►Selecting a registered device Select “Select Device” on the Bluetooth® audio control screen. ■Reconnecting a Bluetooth® phone If the system cannot connect due to poor ...