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

    Share this page:

    Other materials:

    Tire rotation
    Rotate the tires in the order shown. Front To equalize tire wear and extend tire life, Toyota recommends that tire rotation is carried out at the same interval as tire inspection. Vehicles with a tire pressure warning system: Do not fail to initialize the tire pressure warning system after tire ...

    Malfunction in tachometer
    Wiring diagram Inspection procedure Check output value of ecm.  Connect the hand–held tester to dlc3. Turn the ignition switch to on and push the hand–held tester main switch on.  Select the data list mode on the hand–held tester. 2 Inspect combinatio ...

    When the contact is empty
    You can transfer the phone numbers in a Bluetooth® phone to the system. Operation methods differ between PBAP (Phone Book Access Profile) compatible and PBAP incompatible Bluetooth® phones. If the cellular phone does not support either PBAP or OPP (Object Push Profile) service, you cannot tra ...