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

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    Trip information
    ■ Switching the display Items displayed can be switched by pressing the “DISP” switch. ■ Odometer Displays the total distance the vehicle has been driven. Except vehicles with a manual transmission: Press and hold the “DISP” switch to change the display to the Eco Driving ...

    Inspection procedure
    Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

    Circuit description
    The airbag sensor assy center consists of a airbag sensor assy center, safing sensor, drive circuit, diagnosis circuit and ignition control, etc. It receives signals from the airbag sensor, judges whether or not the srs must be activated, and detects diagnosis system malfunction. Dtc b11 ...