Toyota Corolla (E120) 2002–2008 Repair Manual / Vehicle control system
Toyota Corolla (E120): Vehicle control system
Ignition or starter switch assy
Replacement
1. Remove steering column cover
2. Remove ignition or starter switch assy

- Disconnect the ignition switch connector and unlock warning switch connector.
- remove the 2 clamps.
- remove the 2 screws and ignition switch.
Inspection
1. Inspect ignition or starter switch assy

- Inspect the ignition switch.
Standard:

If the continuity is not as specified, replace the switch.
Other materials:
Circuit description
The rotary solenoid type idle air control (iac) valve is located
under the throttle body and intake air bypassing the throttle
valve flows into the iac valve through the passage.
In this way the intake air volume bypassing the throttle valve is
regulated, controls the engine speed.
The ...
Pressing power switch does not start system
Wiring diagram
Inspection procedure
1 Inspect radio receiver assy(+b, acc, gnd)
Check that the continuity between terminals at each
condition, as shown in the chart.
Standard:
Check that the voltage between terminals at each condition,
as shown in the chart.
Standard:
...
Adjustment
1. Inspect park/neutral position switch assy
apply the parking brake and turn the ignition switch on.
depress the brake pedal and check that the engine starts only when
the shift lever is set in n or p position
and it does not start in the other position.
check that th ...


