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:
Preparations to use wireless communication
The following can be performed using Bluetooth® wireless communication:
■ A portable audio player can be operated and listened to via multimedia system
■ Hands-free phone calls can be made via a cellular phone In order to use wireless
communication, register and connect a Bluetooth ...
Eco drive mode (if equipped)
Press the switch.
Suitable for enhancing the fuel economy, because the torque corresponding to
the accelerator pedal depression amount can be generated more smoothly than it is
in normal conditions and the operation of the air conditioning system (heating/cooling)
will be minimized.
Press th ...
Circuit description
While driving uphill with cruise control activated, in order to minimize gear
shifting and provide smooth cruising
overdrive may be prohibited temporarily under some conditions.
The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm
cancels overdrive
shifting until ...


