Toyota Corolla (E120) 2002–2008 Repair Manual / Service specifications
Toyota Corolla (E120): Service specifications
- Standard bolt
- Engine control system
- Fuel
- Engine mechanical
- Exhaust
- Cooling
- Lubrication
- Ignition
- Starting & charging
- Front suspension
- Rear suspension
- Brake
- Automatic transmission / transaxle
- Manual transmission / transaxle
- Clutch
- Steering column
- Heater & air conditioner
- Sliding roof/convertible
Other materials:
Inspection procedure
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
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 horn button assy.
connect the ...
How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Warning light check
4 The dtcs check (present and past dtcs)
5 The dtcs chart
6 Circuit inspection
7 Repair
8 Clear the dtcs (present and past dtcs)
9 The dt ...
Circuit description
The vehicle equipped with abs detects a vehicle speed using the stability
control ecu and wheel speed
sensor. This sensor monitors a wheel rotation speed and sends the signal to the
ecu.
The stability control ecu converts these wheel speed signals into a 4–pulse
signal and outputs it to ...


