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 ignition switch provides circuit power and the ecm provides the circuit ground that illuminates the mil. Mil operation is checked visually: it should be illuminated when the ignition is first turned on. If the mil is off all of the time or on all of the time, use the procedure below to ...

    Inspection
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