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:
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 ...
Inspection
1. Intake air flow meter sub–assy
Inspect the intake air flow meter resistance.
Using an ohmmeter, measure the resistance between
terminals tha and e2.
Resistance:
at –20 c (–4 f) 13.6 To 18.4 KΩ
at 20 c (68 f) 2.21 To 2.69 KΩ
at 60 c (140 f) 0.49 To 0.67 ...
Brake
On–vehicle inspection
1. Inspect brake line pipes and hoses
Hint:
work in a well–lighted area. Turn the front wheels fully to the
right or left before begining.
check all the brake lines and hoses for:
damage
wear
deformation
cracks
corrosion
leaks
bends
twi ...


