Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: System Diagram

SYSTEM DIAGRAM

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     Problem Symptoms Table

    PROBLEM SYMPTOMS TABLE HINT: 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

     On-vehicle Inspection

    ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: When working near the engine room while the engine has started or the power source mode is ignition switch to ON, do not touch the rotating

     Cooling Fan Circuit

    DESCRIPTION The ECM turns on or off the fan relays using signals calculated from the engine coolant temperature, air conditioning switch (on/off), air conditioning refrigerant pressure, engine speed a

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     Backup Boost Converter "A" Control CPU Signal Invalid (P060629)

    DESCRIPTION The engine stop and start ECU can detect open circuits when signals such as the boost, standby request or overheating signal cannot be sent to the backup boost converter control IC from the stop and start control IC in the engine stop and start ECU. If a CPU duty malfunction is detecte

     Rear Motor High-voltage Circuit

    DESCRIPTION The cause of the malfunction may be the high-voltage circuit of the rear motor. Check the rear motor internal resistance and the connection condition of the high-voltage line between the inverter and rear motor to check whether there is an open or short circuit. Related Parts Check

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