Toyota Corolla (E120): Problem symptoms table

Problem symptoms table use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

On–vehicle inspection

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    Exhaust gas precautions
    Harmful substance to the human body is included in exhaust gases if inhaled. CAUTION Exhaust gases include harmful carbon monoxide (CO), which is colorless and odorless. Observe the following precautions. Failure to do so may cause exhaust gases enter the vehicle and may lead to an accident c ...

    Fuel information
    You must only use unleaded gasoline. Select octane rating of 87 (Research Octane Number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should meet the specifi ...

    BSM (Blind Spot Monitor)
    The Blind Spot Monitor is a system that uses rear side radar sensors installed on the inner side of the rear bumper on the left and right side to assist the driver in confirming safety when changing lanes. WARNING ■Cautions regarding the use of the system The driver is solely responsible for sa ...