Toyota Corolla (E120): Circuit description

The door courtesy switch turns on when the door is opened and off when the door is closed.

Wiring diagram

Inspection procedure

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    Circuit description
    The p/t squib (lh) circuit consists of the airbag sensor assy center and seat belt pretensioner (lh). It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b0135/73 is recorded when a short is detected in the p/t squib (lh) circuit. Wiring diagram ...

    Trunk
    The trunk can be opened using the trunk opener, entry function or wireless remote control or key. WARNING Observe the following precautions. Failure to do so may result in death or serious injury. ■Before driving Make sure that the trunk lid is fully closed. If the trunk lid is not fully clos ...

    Inspection procedure
    Hint: if dtc p0441 (purge flow), p0446 (vsv for ccv or vsv for pressure switching valve), p0451, p0452 or p0453  is output with dtc p0442 or p0456 , first troubleshoot dtc p0441, p0446, p0451, p0452 or p0453. If no malfunction is detected, troubleshoot dtc p0442 or p0456 next. ...