Toyota Corolla (E120): Circuit description

When the tvip system is transferred from the armed state to the alarm sounding state, the tvip ecu switches on the horn relay so that it can sound the horns. The horn sounds in 0.4 Seconds interval.

Wiring diagram

Inspection procedure

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    Replacement
    1. Remove front door scuff plate rh Using a screwdriver, remove the front door scuff plate rh. Hint: tape the screwdriver tip before use. Remove front door scuff plate lh Remove rear door scuff plate rh Using a screwdriver, remove the rear door scuff plate rh. Hint: tap ...

    On–vehicle inspection
    1. Check basic function (manual operation function)  turn the ignition switch on.  Check that the door glass moves up when each window switch of the regulator master switch assembly is turned up and moves down when each window switch is turned down.  Check that the do ...

    Dtc check/clear
    Notice: if there is no dtc in the normal mode, check the pending fault code using the continuous test results function (mode 7 for sae j1979) on the obd ii scan tool or the hand–held tester. Hand–held tester only: when the diagnosis system is switched from the normal mode to the ...