Toyota Corolla (E120) 2002–2008 Repair Manual / Preparation
Toyota Corolla (E120): Preparation
- Diagnostics
- Fuel
- Emission control
- Engine mechanical
- Cooling
- Lubrication
- Ignition
- Starting & charging
- Front suspension
- Rear suspension
- Drive shaft / propeller shaft
- Brake
- Parking brake
- Automatic transmission / trans
- Manual transmission/transaxle
- Clutch
- Steering column
- Power steering
- Heater & air conditioner
- Supplemental restraint system
- Seat belt
- Lighting
- Wiper & washer
- Audio & visual system
- Communication system
- Windshield/windowglass/mirror
- Instrument panel/meter
- Sliding roof/convertible
- Engine hood/door
- Exterior/interior trim
- Cruise control
Other materials:
Inspection procedure
1 Check ignition or starter switch assy
Check the ignition switch, as shown in the illustration and
table.
Standard:
2 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
3 Check relay (m ...
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 ...
Inspection procedure
1 Input signal check
See input signal check on page 05–745.
check indicator light operation when driving with vehicle
speed above 40 km/h (25 mph), and with vehicle speed
below 40 km/h (25 mph).
Ok:
vehicle speed above 40 km/h (25 mph):
indicator light blinks
vehicle speed be ...