Toyota Corolla (E120): Problem symptoms table

The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circuits or parts should be checked.

Hint: when the problem is not detected by the diagnostic system even though the problem symptom is present, it may be that the problem is occurring outside the detection range of the diagnostic system.

Circuit inspection

    Share this page:

    Other materials:

    Air bag sensor front lh
    Components Replacement Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove air bag sensor front lh Disconnect the connector from the airbag sensor front lh.  remove the 2 bolts and airbag sensor front lh. 4. Inspect air bag sensor front lh ...

    Windshield wipers and washer
    Operating the wiper lever The wiper operation is selected by moving the lever as follows. When intermittent windshield wiper operation is selected, the wiper interval can be also adjusted. 1 Intermittent windshield wiper operation 2 Low speed windshield wiper operation 3 High speed windshield ...

    Inspection procedure
    1 Inspect stop lamp switch assy Check that the stop light lights up when brake pedal is depressed and turns off when the brake pedal is released. 2 Inspect skid control ecu terminal voltage(stp terminal) Disconnect skid control ecu connector. measure voltage between termina ...