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:
If the shift lever cannot be shifted from P (except vehicles with a manual transmission)
If the shift lever cannot be shifted with your foot on the brake pedal, there
may be a problem with the shift lock system (a system to prevent accidental operation
of the shift lever). Have the vehicle inspected by your Toyota dealer immediately.
The following steps may be used as an emergency ...
Standard bolt
How to determine bolt strength
Specified torque for standard bolts
How to determine nut strength
*: Nut with 1 or more marks on one side surface of the nut.
Hint:
use the nut with the same number of the nut strength classification or the
greater than the bolt strength classificati ...
Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag 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 front seat airbag assy ...


