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:
Parking brake
Operating instructions
1 To set the parking brake, fully pull the parking brake lever while depressing
the brake pedal.
2 To release the parking brake, slightly raise the lever and lower it completely
while pressing the button.
*1: For U.S.A.
*2: For Canada
■Parking brake engaged wa ...
Check mode procedure
1. Dtc check (check mode)
Hint:
hand–held tester only:
compared to the normal mode, the check mode has more sensing
ability to detect malfunctions. Furthermore, the same diagnostic
items which are detected in the normal mode can also be
detected in the check mode.
Procedure for check m ...
Battery
Check the battery as follows.
■ Battery exterior
Make sure that the battery terminals
are not corroded and that
there are no loose connections,
cracks, or loose clamps.
Terminals
Hold-down clamp
■Before recharging
When recharging, the battery produces
hydrogen gas which is flammable
and exp ...


