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:

    Replacement
    Hint: installation is according to the reverse order of the removal. 1. Remove fr wiper arm rh 2. Remove fr wiper arm lh 3. Remove hood to cowl top seal 4. Remove cowl top ventilator louver lh 5. Remove cowl top ventilator louver rh 6. Remove front door weatherstrip rh 7. Remove front ...

    Manual shifting test
    1. Perform manual shifting test Hint: by this test, it can be determined whether the trouble is within the electrical circuit or is a mechanical problem in the transaxle. Disconnect the transmission wire connector.  inspect the manual driving operation. Check that the shift and g ...

    Removal and installation of fuel control parts
    Place for removing and installing of fuel system parts  work in a place with good air ventilation and without anything flammable such as welder, grinder, drill, electric motor or stove in the surroundings.  Never work in a place such as a pit or nearby a pit, as there is a ...