Toyota Corolla (E120): Circuit description

When the tvip system is transferred to the alarm sounding state from the armed state, the signal flasher assembly (relay for hazard warning lights) will be switched on and the hazard warning lights will start blinking.

Wiring diagram

Inspection procedure

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    Circuit description
    The o/d main switch (transmission control switch) is a momentary type switch. When pressing the o/d main switch, the o/d off indicator light lights up and the ecm prohibits shifting into o/d, and when pressing it once again, the o/d off indicator light goes off and the ecm allows shifting in ...

    System description
    The ecm uses signals from the vehicle speed sensor and crankshaft position sensor to detect the actual gear position (1st, 2nd, 3rd or o/d gear). Then the ecm compares the actual gear with the shift schedule in the ecm memory to detect the mechanical trouble of the shift solenoid valves, th ...

    Precaution
    1. Handling precautions on steering system  care must be taken when replacing parts. Incorrect replacement may affect the performance of the steering system and result in a driving hazard. 2. Handling precautions on srs airbag system  the vehicle is equipped with srs (suppl ...