Toyota Corolla (E120): How to proceed with troubleshooting

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Problem symptom confirmation

3 Problem symptom confirmation

4 Circuit inspection

4 Circuit inspection

5 Repair or replace

5 Repair or replace

6 Confirmation test

6 Confirmation test

7 End

7 End

Customer problem analysis check

Location

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    On–vehicle inspection
    1. Connect hand–held tester:  connect the hand–held tester to the dlc3.  start the engine and run it at idle.  select the active test mode on the hand–held tester. Hint: please refer to the hand–held tester operator’s manual for further details. 2. Inspect actua ...

    BSM (Blind Spot Monitor)
    The Blind Spot Monitor is a system that uses rear side radar sensors installed on the inner side of the rear bumper on the left and right side to assist the driver in confirming safety when changing lanes. WARNING ■Cautions regarding the use of the system The driver is solely responsible for sa ...

    Diagnostic trouble code chart
    If a dtc is displayed during the dtc check, check the circuit listed in the table below and proceed to the page given. * :● ... Mil light up ...