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:
Power outlet
Please use as a power supply for electronic goods that use less than 12 VDC/10
A (power consumption of 120 W).
Open the lid.
■The power outlet can be used when
► Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
► Vehicles with ...
If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s
battery is discharged.
You can also call your Toyota dealer or a qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt
battery, you can jump start your vehicle by fo ...
Circuit description
A flat type knock sensor (non–resonant type) has the structure that can
detect the vibration in a wider band
of frequency from about 6 khz to 15 khz and has the following features.
Knock sensors are fitted on the cylinder block to detect the engine knocking.
The sensor contains a piezoele ...


