Toyota Corolla (E120): Tvip ecu communication circuit

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Inspection procedure
1 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the horn button assy.  for the oran ...

Monitor description
Dtc p0451, p0452 or p0453 is recorded by the ecm when the vapor pressure sensor malfunctions. P0451 The ecm senses pressure in the fuel tank using the vapor pressure sensor. The ecm supplies the sensor with a regulated 5 v reference–voltage and the sensor returns a signal voltage betwee ...

Setting the vehicle speed
1 Press the “ON-OFF” button to activate the cruise control. Cruise control indicator will come on. Press the button again to deactivate the cruise control. 2 Press the “ON-OFF” button to activate the cruise control. Cruise control indicator will come on. Press the button again to deac ...