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

1. Without applicable symptoms, proceed to ”a”.
2.  with applicable symptoms, proceed to ”b”.

3 Symptom simulation

4 Problem symptoms table

1. Without applicable symptoms, proceed to ”a”.
2.  with applicable symptoms, proceed to ”b”.

5 Circuit inspection and part inspection

6 Perform troubleshooting in the following method, depending on malfunction symptom

1. Terminals of ecu (seepage 05–703)
2.  on–vehicle inspection

7 Adjustment, repair or replacement

8 Confirmation test

End

Customer problem analysis check

Location