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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    Road test
    1. Problem symptom confirmation Taking into consideration the results of the customer problem analysis, try to reproduce the symptoms of the trouble. If the problem is that the transaxle does not shift up, shift down, or the shift point is too high or too low conduct the following road ...

    Floor shift cable transmission control select
    Replacement Hint: components: 1. Remove air conditioner unit assy Hint: refer to the instructions for removal of the air conditioner unit assy. 2. Separate air bag sensor assy center  remove the 3 bolts, separate the airbag sensor assy center. 3. Remove exhaust pipe assy 4. Remo ...

    Inspection procedure
    1 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the horn button assy and the airbag sensor assy center.  for the oran ...