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:
Roof drip side finish moulding center lh
Replacement
Hint:
use the same procedures for the rh side and lh side.
The installation procedures are the removal procedures in reverse
order. However, only installation
procedures requiring additional information are included.
1. Remove roof drip side finish moulding center lh
...
Problem symptoms table
When the malfunction code is not confirmed in the diagnostic trouble code
check and the problem still can
not be confirmed in the basic inspection, proceed to this problem symptoms
tables and troubleshoot according
to the numbered order given below.
*: A/t only ...
Luggage door hinge torsion bar rh
Replacement
Hint:
installation is in the reverse order of the removal. But the
installation is indicated only when it has a
point.
In the lh side, work in the same procedure as in the rh side.
Since the removal of the torsion bar will cause no tension, operation
of opening and closi ...


