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Toyota Corolla Repair Manual: 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

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

3 Symptom simulation

4 Problem symptoms table

4 Problem symptoms table

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

5 Circuit inspection and part inspection

5 Circuit inspection and part inspection

6 Perform troubleshooting in the following method, depending on

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

  1. Terminals of ecu (seepage 05703)
  2.  onvehicle inspection

7 Adjustment, repair or replacement

8 Confirmation test

8 Confirmation test

End

End

Customer problem analysis check

Location

Location

Terminals of ecu

Toyota vehicle intrusion protection system
...

Terminals of ecu
1. Inspect tvip ecu Inspect the ecub, dome and ecuig fuses. disconnect the tvip ecu connector, and the continuity and voltage of check each terminal of the disconnected connector. ...

Other materials:

Window lock switch
Press the switch to lock the passenger window switches. Use this switch to prevent children from accidentally opening or closing a passenger window. ■The power windows can be operated when ► Vehicles without a smart key system The engine switch is in the ON position. ► V ...

Fog light switch
The fog lights secure excellent visibility in difficult driving conditions, such as in rain and fog. 1 Turns the front fog lights off 2 Turns the front fog lights on *1: For U.S.A. *2: For Canada ■Fog lights can be used when The headlights are on in low beam. ...

Precaution
Caution: the corolla is equipped with srs, which comprises a driver airbag, front passenger airbag and side airbag. Failure to carry out service operations in the correct sequence could cause the srs to unexpectedly deploy during servicing, possibly leading to a serious accident. Fu ...

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