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:
On–vehicle inspection
1. Inspect cooling system for leaks
Caution:
to avoid the danger of being burned, do not remove the radiator
cap while the engine and radiator are still hot, as fluid
and steam can be blown out under pressure.
fill the radiator with coolant and attach a radiator cap tester.
...
Inspection procedure
1 Check operation(starter)
Check that the starter operates normally and that the engine starts.
2 Input signal check
See input signal check on page 05–745.
check the indicator light when shifting into except d position.
Ok:
the indicator light goes off when shifting ...
Using the audio system
Optimal use of the audio system
Sound quality (treble/bass) and volume balance can be adjusted.
1 Displays the current mode
2 Changes the following setting
• Sound quality and volume balance
The sound quality and balance setting can be changed to produce the best sound.
• Automatic ...