Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Brake warning light circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect parking brake switch circuit
- Check for open and short circuit in parking brake switch circuit


2 Inspect brake fluid level warning switch circuit
- Check the brake fluid level in reservoir.
- check for open and shot circuit in brake fluid level warning switch circuit


3 Check dtc once more
- Check for open and short circuit in harness and connector between vacuum warning switch and skid control ecu


4 Inspect combination meter assembly(brake warning light circuit)
- Check for open and short circuit in combination meter


5 Check harness and connector(brake actuator – combination meter)
- Check for open and short circuit in harness and connector between brake actuator and combination meter


Check and replace brake actuator assy
Other materials:
Overhaul
Hint: components:
1. Drain manual transaxle oil (m/t transaxle)
torque: 39.2 Nvm (400 Kgf·cm, 29 ft·lbf)
2. Drain automatic transaxle fluid (a/t transaxle)
torque: 17.5 Nvm (178 Kgf·cm, 13 ft·lbf)
3. Remove front wheel
4. Remove engine under cover lh
5. Remove front axle hub lh nut
...
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 ...
Precaution
1. Do not handle refrigerant in an enclosed
area or near an open flame
2. Always wear eye protection
3. Be careful not to get liquid refrigerant in your eyes or on your skin
If liquid refrigerant gets in your eyes or on your skin.
wash the area with lots of cool water.
Cautio ...


