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

2 Customer problem analysis check and symptom check

3 Problem symptoms table

3 Problem symptoms table

  1. If the fault is not listed on the problem symptoms table, proceed to a.
  2. if the fault is listed on the problem symptoms table, proceed to b.

4 Overall analysis and troubleshooting

4 Overall analysis and troubleshooting

  1. Terminals of ecu
  2.  on–vehicle inspection

5 Adjust, repair or replace

6 Confirmation test

6 Confirmation test

End

End

Customer problem analysis check

Location

Location

Terminals of ecu

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