Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / How to proceed with troubleshooting
Toyota Corolla (E120): How to proceed with troubleshooting
Troubleshoot in accordance with the procedure on the following pages.
1 Vehicle brought to workshop
2 Customer problem analysis check and symptom check
- Without applicable symptoms, proceed to ”a”.
- with applicable symptoms, proceed to ”b”.
3 Symptom simulation
4 Problem symptoms table
- Without applicable symptoms, proceed to ”a”.
- with applicable symptoms, proceed to ”b”.
5 Circuit inspection and part inspection
6 Perform troubleshooting in the following method, depending on malfunction symptom
- Terminals of ecu (seepage 05–703)
- on–vehicle inspection
7 Adjustment, repair or replacement
8 Confirmation test
End
Customer problem analysis check
Location
Other materials:
Inspection procedure
1 Check ignition or starter switch assy
Check the ignition switch, as shown in the illustration and
table.
Standard:
2 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
3 Check relay (m ...
Data list/active test
1. Data list
Hint:
according to the data list displayed by the obd ii scan tool or hand–held
tester, you can read the value
of the switch, sensor, actuator and so on without parts removal. Reading the
data list as the first step of
troubleshooting is one method to shorten labor time.
W ...
Outside vehicle
General maintenance
Performing these maintenance checks on the vehicle in the owner’s
responsibility. The owner may
perform the maintenance or take the vehicle to a service center.
Check the parts of the vehicle described below on a daily basis. In most cases,
special tool are not
requir ...