Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Stop light switch circuit / Circuit description
Toyota Corolla (E120): Circuit description
This signal is used to detect that the brakes have been applied. The stp signal voltage is the same as the one supplied to the stop lights.
The stp signal is used mainly to control the fuel cut–off engine speed (the fuel cut–off engine speed is reduced slightly when the vehicle is braking.).
Wiring diagram

Other materials:
Locking the doors from the outside without a key
1 Move the inside lock button to the lock position.
2 Close the door.
► Vehicles without a smart key system
The door cannot be locked if either of the front doors is open and the key is in
the engine switch.
► Vehicles with a smart key system
The door cannot be locked if the engin ...
Starting & charging
Preparation
Sst
Recomended tools
Equipment
...
Inspection procedure
1 Check front airbag sensor (lh) circuit (to b+)(airbag sensor assy
center – airbag sensor front 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 airbag ...


