Toyota Corolla (E120): Emission control

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Luggage compartment door garnish outside
Replacement Hint: the installation procedures are the removal procedures in reverse order. However, only installation procedures requiring additional information are included. 1. Remove luggage compartment lock cylinder & key set  remove the 2 nuts and luggage compartment lock cyl ...

Registering ID codes (vehicles with a tire pressure warning system)
The tire pressure warning valve and transmitter is equipped with a unique ID code. When new tire pressure warning valves and transmitters are installed, new ID codes must be registered in the tire pressure warning computer. ID codes can be registered by yourself, but depending on the driving con ...

Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...