Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circuits or parts should be checked.
Hint: when the problem is not detected by the diagnostic system even though the problem symptom is present, it may be that the problem is occurring outside the detection range of the diagnostic system.

Other materials:
Center stop lamp assy
Replacement
1. Remove package tray trim panel assy (w/o rear spoiler)
2. Remove center stop lamp assy (w/o rear
spoiler)
Remove the center stop light assy as shown in the illustlation.
3. Remove center stop lamp assy (w/ rear
spoiler)
Remove the 2 screws.
disconnect th ...
Child restraint systems
Before installing a child
restraint system in the vehicle,
there are precautions
that need to be observed,
different types of child
restraint systems, as well as
installation methods, etc.,
written in this manual.
Use a child restraint system
when riding with a small child
that cannot properly use a ...
Inspection procedure
1 Inspect transmission wire(sl)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check harness and connector(transmission wire – ecm)
Connect the transmission wire c ...


