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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    Inspection procedure
    1 Inspect shift solenoid valve(s1) Remove the shift solenoid valve s1. measure the resistance according to the value(s) in the table below. Standard: Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the solenoid ...

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    Cassette tape cannot be ejected
    Wiring diagram Wiring diagram 1 Check if radio auto–search functions properly Check if the radio auto–search function properly.  Perform the auto–research of the radio and check that the operation is normal. Standard: malfunction disappear. 2 Press ”eject” and ...