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:
Basic repair hint
(A) hints on operations
1
Looks
Always wear a clean uniform.
Hat and safety shoes must be worn.
2
Vehicle protection
Set a grill cover, fender cover, seat cover and floor mat before
starting the operation.
3
Safe ...
Vehicle information
This screen can be used to display the fuel consumption.
“Trip Information” or “Past Record” screen
Press “CAR” to display the “Trip Information” or “Past Record” screen.
Fuel consumption
■ Trip information
If the “Trip Information” screen does not appear, select ...
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning
efficiency.
Removal method
1Turn the engine switch off.
2 Open the glove box. Slide off the damper.
3 Push in the glove box on the vehicle’s outer side to disconnect the claws.
Then pull out the glove box ...


