Toyota Corolla (E120): Circuit description
The door courtesy switch turns on when the door is opened and off when the door is closed.
Wiring diagram

Other materials:
Circuit description
The vehicle equipped with abs detects a vehicle speed using the stability
control ecu and wheel speed
sensor. This sensor monitors a wheel rotation speed and sends the signal to the
ecu.
The stability control ecu converts these wheel speed signals into a 4–pulse
signal and outputs it to ...
Monitor description
The battery supplies electricity to the ecm even when the ignition switch is
off. This electricity allows the
ecm store data such as dtc history, freeze frame data, fuel trim values, and
other data. If the battery voltage
falls below a minimum level, the ecm will conclude that there is a fault ...
Air bag sensor front lh
Components
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove air bag sensor front lh
Disconnect the connector from the airbag sensor front
lh.
remove the 2 bolts and airbag sensor front lh.
4. Inspect air bag sensor front lh
...


