Toyota Corolla (E120) 2002–2008 Repair Manual / Engine control system / Sfi system / On–vehicle inspection
Toyota Corolla (E120): On–vehicle inspection
1. Inspection throttle body idle speed control valve assy

Notice
:
- it is impossible to check the resister value and the operation of isc valve by itself, because the isc valve has an ic circuit inside it, which transforms the duty signal from the ecm to the derive signal.
- After checking, erase the dtc.
- Clear the dtc after inspection.
Hint
: when the isc valve system has malfunctions except for its adherence, dtc p0505 is detected.
- Operation inspection.
- Connect the isc connector to the isc valve.
- Check the isc valve movement when the ignition
switch is turned on.
Movement: half open " fully close " fully open " half open
Hint: isc valve moves within 0.5 Second.
Other materials:
Skid control sensor
Replacement
Hint:
replace the rh side by the same procedure as the lh side.
1. Remove rear wheel
2. Remove rear brake drum sub–assy
3. Disconnect skid control sensor wire
Disconnect the skid control sensor wire connector from
the skid control sensor.
4. Remove rear axle hub & ...
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct procedure
as given in these sections.
CAUTION
The engine compartment contains many mechanisms and fluids that may move suddenly,
become hot, or become electrically energized. To avoid death or serious injury,
observe t ...
Wiring
Power source
Location
...


