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:
Wiper & washer
Preparation
Sst
Recomended tools
Equipment
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Inspection procedure
1 Check wire harness(dlc3 – airbag sensor assy center)
Turn the ignition switch to the lock position.
disconnect the aribag sensor assy center connector.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check wire harness(cg of dl ...
Replacement
1. Remove engine under cover rh
2. Drain coolant
3. Remove front wheel rh
4. Remove cylinder head cover no.2
Remove the 2 nuts, 2 clips and cylinder head cover.
5. Remove fan and generator v belt
Turn the v–ribbed belt tensioner slowly clockwise and
loosen it. Then, remove ...