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:

    Inspection procedure
    1 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds. disconnect the connectors between the airbag sensor assy center and the horn button assy. release the airbag activ ...

    Cargo and luggage
    Take notice of the following information about storage precautions, cargo capacity and load: Capacity and distribution Cargo capacity depends on the total weight of the occupants. (Cargo capacity) = (Total load capacity) - (Total weight of occupants) Steps for Determining Correct Load Limit - (1) L ...

    Moon roof
    Use the overhead switches to open and close the moon roof and tilt it up and down. ■ Opening and closing 1 Opens the moon roof* The moon roof stops slightly before the fully open position to reduce wind noise. Press the switch again to fully open the moon roof. 2 Closes the moon roof* ...