Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Wireless door lock control system / How to proceed with troubleshooting
Toyota Corolla (E120): How to proceed with troubleshooting
Hint
:
- troubleshooting of the wireless door lock control system is based on the premise that the power door lock system is operating normally. Therefore, before troubleshooting the wireless door lock control system, first make certain that the the power door lock system is operating normally.
- Use this procedure to troubleshoot the wireless door lock control system.
1 Vehicle brought to workshop

2 Customer problem analysis check and symptom check

3 Problem symptoms table
- If the fault is not listed on the problem symptoms table, proceed to a.
- if the fault is listed on the problem symptoms table, proceed to b.


4 Overall analysis and troubleshooting
- Terminals of ecu
- on–vehicle inspection
5 Adjust, repair or replace

6 Confirmation test

End
Customer problem analysis check

Location

Other materials:
Correct driving posture
1 Adjust the angle of the seatback so that you are sitting straight up and so
that you do not have to lean forward to steer.
2 Adjust the seat so that you can depress the pedals fully and so that your arms
bend slightly at the elbow when gripping the steering wheel.
3 Lock the head restraint ...
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove front door scuff plate rh
4. Remove rear door scuff plate rh
5. Remove front door opening trim rh
6. Remove rear door opening trim rh
7. Remove lap belt outer anchor cover
8. Remove center pillar garnis ...
Diagnosis system
Description
when troubleshooting obd ii vehicles, the only difference
from the usual troubleshooting procedure
is that you need to connect an obd ii scan tool complying
with sae j1987 or a hand–held tester to the
vehicle, and read off various data output from the
vehicle†...


