Toyota Corolla (E120): Engine control system

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General information
There are many ecu controlled systems used in the corolla. In general, ecu controlled system are considered to be very intricate and require a high level of technical knowledge and expert skill to troubleshoot. The fact is, however, that if you proceed by inspecting the circuits one by one, ...

On–vehicle inspection
1. Inspect air–fuel ratio compensation system Hint: you can also check the system by choosing ”data monitor”, then ”o2 sensor output voltage” on the monitor of the hand–held tester. Connect the hand–held tester to the terminal 23 (ox1a) @ 7 (e1) and 21 (ox1b) @ 7 (e1) of ...

Using the key (vehicles without a smart key system and with a wireless remote control function)
Releasing To release the key, press the button Folding To stow the key, press the button then fold the key. Using the mechanical key (vehicles with a smart key system) To take out the mechanical key, slide the release button and take the key out. The mechanical key can only be inserted in o ...