Toyota Corolla (E120): Circuit description

When the tvip system operates, the tvip ecu controls the starter cut relay so that the relay should not be turned on and consequently the starter can not crank the engine.

Wiring diagram

Inspection procedure

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    Inspection
    1. Intake air flow meter sub–assy Inspect the intake air flow meter resistance.  Using an ohmmeter, measure the resistance between terminals tha and e2. Resistance: at –20 c (–4 f) 13.6 To 18.4 KΩ at 20 c (68 f) 2.21 To 2.69 KΩ at 60 c (140 f) 0.49 To 0.67 ...

    Other functions
    ■ Switching between outside air and recirculated air modes Press . The mode switches between outside air mode (indicator off) and recirculated air mode (indicator on) each time is pressed. ■ Defogging the windshield Defoggers are used to defog the windshield and front side windows ...

    Heated steering wheel/seat heaters
    Heated steering wheel Warms up the grip of the steering wheel Seat heaters Warm up the seat upholstery WARNING To prevent minor burn injuries Care should be taken if anyone in the following categories comes in contact with the steering wheel or seats when the heater is on: Babies, small chil ...