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

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 05–703)
  2.  on–vehicle inspection

7 Adjustment, repair or replacement

8 Confirmation test

8 Confirmation test

End

End

Customer problem analysis check

Location

Location

Terminals of ecu

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    Inspection procedure
    1 Check security indicator light Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered. 2 Check glass breakage sensor ecu (glass breakage sensor) Check the continuity and voltage of the glass breakage sensor ecu, as shown in th ...

    Inspection
    1. Inspect outer mirror switch assy Inspect the mirror switch continuity.  Left side for left/right adjustment switch: inspect the mirror switch continuity Standard (left side): If the result is not as specified, replace the switch assembly.  Right side for left/r ...

    Components
    Washer fluid tank Engine coolant reservoir Fuse boxes Engine oil filler cap Engine oil level dipstick Battery Brake fluid reservoir Radiator Condenser Electric cooling fan Checking the engine oil With the engine at operating temperature and turned off, check the oil level on the ...