Toyota Corolla Cross: General
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GENERAL INFORMATION
A large number of ECU controlled systems are used in this vehicle. In general,
ECU controlled systems are considered to be very intricate, requiring a high
level of techn
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PROBLEM SYMPTOMS TABLE
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Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the susp
DESCRIPTION The headlight ECU sub-assembly LH and headlight ECU sub-assembly RH internally boost the power supply voltage to ensure a constant supplied current for the Lo/Hi beam LED of their respective headlight.
By monitoring the LED power supply voltage, abnormal current and malfunctions can be
