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:
For vehicles equipped with catalytic converter
Caution:
if large amount of unburned fuel flows into the converter, it may cause
overheating and a fire hazard.
To prevent this, observe the following precautions.
Use only unleaded gasoline.
avoid prolonged idling.
Avoid running the engine at idle speed for more than 20 minutes. ...
Cleaning and protecting the vehicle interior
Perform cleaning in a manner
appropriate to each
component and its material.
Protecting the vehicle
interior
Remove dirt and dust using a
vacuum cleaner. Wipe dirty
surfaces with a cloth dampened
with lukewarm water.
If dirt cannot be removed,
wipe it off with a soft cloth
dampened with neut ...
Circuit description
This circuit turns on the magnetic clutch inside the actuator during cruise
control operation according to the
signal from the ecu. If a malfunction occurs in the actuator or speed sensor,
etc. During cruise control operation,
the rotor shaft between the motor and control plate is released.
...