Toyota Corolla (E120): How to proceed with troubleshooting

The hand–held tester can be used at step 4, 6, 8 and 9.

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Warning light check

3 Warning light check

4 The dtcs check (present and past dtcs)

4 The dtcs check (present and past dtcs)

5 The dtcs chart

5 The dtcs chart

6 Circuit inspection

6 Circuit inspection

7 Repair

7 Repair

8 Clear the dtcs (present and past dtcs)

8 Clear the dtcs (present and past dtcs)

9 The dtcs check (present and past dtcs)

9 The dtcs check (present and past dtcs)

10 Symptom simulation

10 Symptom simulation

11 Confirmation test

11 Confirmation test

End

End

Customer problem analysis check

Pre–check

    Share this page:

    Other materials:

    On–vehicle inspection
    1. Inspect sliding roof function  check the slide opening operation (manual).  Turn the ignition switch on.  When keeping operating the sliding roof switch to the open side, check that the roof glass will slide and be fully opened.  check the slide closing ...

    Circuit description
    Shifting from 1st to o/d is performed in combination with on and off of the shift solenoid valve s1 and s2 controlled by ecm. If an open or short circuit occurs in either of the solenoid valves, the ecm controls the remaining normal solenoid valve to allow the vehicle to be operated smoothly ...

    Foreword
    This repair manual has been prepared to provide essential information on body panel repair methods (including cutting and welding operations, but excluding painting) for the toyota corolla Applicable models: aze141 series zre142 series This manual consists of body repair methods, exploded diag ...