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:
Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat
outer belt assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the seat belt pretensio ...
Inspection procedure
1 Inspect shift solenoid valve(s1)
Remove the shift solenoid valve s1.
measure the resistance according to the value(s) in the
table below.
Standard:
Connect the positive (+) battery lead to the solenoid connector
terminal, and the negative (–) battery lead to the
solenoid ...
Inspection procedure
Hint:
start the inspection from step 1 in case of using the hand–held tester and start
from step 2 in case of not
using the hand–held tester.
1 Read value of hand–held tester(front speed sensor)
Select the datalist mode on the hand–held tester.
check that there is no differe ...