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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    Other materials:

    Starting system
    Inspection 1. Inspect starter assy Notice: these tests must be performed within 3 to 5 seconds to prevent burnout of the coil.  perform the pull–in test.  Remove the nut, then disconnect the lead wire from terminal c. Connect the battery to the starter repai ...

    On–vehicle inspection
    1. Check fuel pump operation Connect the hand–held tester to the dlc3.  turn the ignition switch on and hand–held tester main switch on. Notice: do not start the engine.  select the active test mode on the hand–held tester.  please refer to the hand–held te ...

    Back up lamp assy lh
    Replacement 1. Remove back up lamp assy lh Remove the service hole cover.  remove the 2 nuts and disconnect the connector. Using a mouldingremover, remove the 2 clips and back up light assy lh. 2. Install back up lamp assy lh Set the 2 clips on the back up ligh ...