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:
Starting the engine
► Automatic transmission or continuously
variable transmission
1 Check that the parking brake is set.
2 Check that the shift lever is set in P.
3 Firmly depress the brake pedal.
4 Turn the engine switch to the “START” position and start the engine.
► Manual transmission
1 Che ...
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 connector between the airbag sensor
assy center and the horn button assy.
for the black ...
Front passenger occupant classification
system
Your vehicle is equipped with a front passenger occupant
classification system. This system detects the conditions of
the front passenger seat and activates or deactivates the front
passenger airbag and seat cushion airbag in the front passenger
side.
System components
SRS warning light
Front pa ...