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:
Manual transmission/transaxle
Preparation
Sst
Equipment
Lubricant
...
Customizing vehicle features
It is possible to customize the language and Eco Driving Indicator Light settings
using the “DISP” switch.
When customizing vehicle features, ensure that the vehicle is parked in a safe
place with the shift the shift lever to P (continuously variable transmission) or
N (manual transmissio ...
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
circ ...


