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:
Adjustment
1. Inspect and adjust clutch pedal sub–assy
Turn over the floor carpet.
check that the pedal height is correct.
Pedal height from asphalt sheet:
135.8 – 145.8 Mm (5.346 – 5.740 In.)
adjust the pedal height.
Loosen the lock nut and turn the stopper bolt until
...
Check short circuit
If the wire harness is ground shorted as shown in fig. 5,
Locate the section by conducting a resistance check with
the body ground in step (b).
Check the resistance with the body ground.
Disconnect connectors a and c and measure the
resistance between terminals 1 and 2 ...
Inspection procedure
Hint:
read freeze frame data using the hand–held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, th ...


