Toyota Corolla (E120): Ecm power source 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 horn button assy and the airbag sensor assy center.  for the oran ...

If the electronic key does not operate properly (vehicles with a smart key system)
If communication between the electronic key and vehicle is interrupted or the electronic key cannot be used because the battery is depleted, the smart key system and wireless remote control cannot be used. In such cases, the doors can be opened and the engine can be started by following the procedur ...

Exterior/interior trim
Preparation Recomended tools Equipment Vehicle control system Preparation Recomended tools ...