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:

    Circuit description
    The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim includes the short–term fuel trim and the long–term fuel trim. The short–term fuel trim is the short–term fuel compensation used to maintain the air–fuel ratio at stoichiomet ...

    Inspection procedure
    1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat outer belt assy lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the seat belt pretensio ...

    Removal & installation and disassembly & reassembly
    1. Remove oxygen sensor Remove a clip and tear off the floor mat.  disconnect a oxygen sensor connector. Remove the oxygen sensor. 2. Remove tail pipe assy Remove 2 bolts, 2 springs and tail pipe assy. 3. Remove floor panel brace front Remove 2 nuts and the ...