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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    Location of the spare tire, jack and tools
    1 Luggage floor cover 2 Wheel nut wrench 3 Jack handle 4 Jack attachment* 5 Jack 6 Spare tire 7 Tool tray *: The jack attachment is used when raising your vehicle with a floor jack. CAUTION ■Using the tire jack Observe the following precautions. Improper use of the tire jack may c ...

    Overhaul
    1. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 2. Remove air cleaner cap sub–assy 3. Remove brake master cylinder sub–assy  disconnect the brake fluid level switch connector from master cylinder reservoir subâ ...

    Follow the correction procedures. (vehicles with a smart key system and with a drive monitor display)
    After taking the specified steps to correct the suspected problem, check that the warning light turns off. ■SRS warning light This warning light system monitors the airbag sensor assembly, front impact sensors, side impact sensors (front door), side impact sensors (front), side impac ...