P1572 Toyota ASR Active Circuit Low Too Long
Possible causes
– Brake Pedal Switch harness is open or shorted
– Brake Pedal Switch circuit poor electrical connection
– Faulty Brake Pedal Switch
– Faulty stop lamp switch
– Faulty Engine Control Moduele (ECM)
– Brake Pedal Switch circuit poor electrical connection
– Faulty Brake Pedal Switch
– Faulty stop lamp switch
– Faulty Engine Control Moduele (ECM)
What about the obd code?
When the vehicle speed is above 30 km/h (19 MPH), ON signals from the stop lamp switch and the Automatic Speed Control Device (ASCD) brake switch are sent to the The Engine Control Moduele (ECM) at the same time.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1572 Toyota Description
When the brake pedal is depressed, Automatic Speed Control Device (ASCD) brake switch is turned OFF and stop lamp switch is turned ON. The Engine Control Moduele (ECM) detects the state of the brake pedal by this input of two kinds (ON/OFF signal).
Toyota Vehicle:Toyota Prius,Toyota Celica,Toyota Supra,Toyota Carina,Toyota Camry,Toyota MR2,Toyota Aygo,Toyota 4Runner,Toyota Avalon,Toyota Camry,Toyota Corolla,Toyota FJ Cruiser,Toyota Highlander,Toyota Land Cruiser,Toyota Matrix,Toyota Prius,Toyota RAV4,Toyota Sequoia,Toyota Sienna,Toyota Solara,Toyota Tacoma,Toyota Tundra,Toyota Yaris,