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:
Circuit description
The ignition switch provides circuit power and the ecm provides the circuit
ground that illuminates the mil.
Mil operation is checked visually:
it should be illuminated when the ignition is first turned on. If the mil is off
all of the time or on all of the time,
use the procedure below to ...
How to proceed with troubleshooting
Troubleshoot in accordance with the procedure on the following pages.
1 Vehicle brought to workshop
2 Customer problem analysis check and symptom check
Without applicable symptoms, proceed to ”a”.
with applicable symptoms, proceed to ”b”.
3 Symptom simulation
4 Prob ...
Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the front seat airbag assy ...


