Toyota Corolla (E120): Circuit description
The key unlock warning switch comes on when the ignition key is inserted in the key cylinder and goes off when the ignition key is removed.
Wiring diagram

Other materials:
LDA (Lane Departure Alert)
Basic functions
The LDA system warns the
driver if the vehicle may deviate
from the current lane or course*,
and also can slightly operate the
steering wheel to help avoid
deviation from the lane or
course*.
The front camera is used to
detect lane lines or a course*.
*: Boundary between the asphal ...
Engine immobilizer system
The vehicle's keys have
built-in transponder chips
that prevent the engine from
starting if a key has not
been previously registered
in the vehicle's on-board
computer.
Never leave the keys inside
the vehicle when you leave
the vehicle.
This system is designed to
help prevent vehicle theft
but doe ...
Fuel consumption information
Fuel consumption information
can be displayed on the
audio system screen.
System components
Audio system screen
Consumption
■ Trip information
1. Select on the main menu.
2. Select "Trip information".
If a screen other than "Current" is
displayed, select "Current".
The image is an example ...


