Toyota Corolla (E120): Components

Overhaul

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    Disabling the TRAC system
    If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce power from the engine to the wheels. Pressing to turn the system off may make it easier for you to rock the vehicle in order to free it. To turn the TRAC system off, quickly press and release . The “TRAC OFF” ind ...

    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 vehicle speed sensor circuit is sent to cruise control ecu assy as a vehicle speed signal. For each rotation of the shaft, the vehicle speed sensor sends a signal through the combination meter assembly to the cruise control ecu assy (see the following chart). The cruise control ecu assy ...