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Home >> Lexus >> 2009 >> SC 430 >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM System Circuits >> ABS, TRAC, VSC and PPS >> System Outline >> PPS Operation
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PPS Operation

PPS ECU (Flow rate control system) controls the solenoid valves mounted in the pump to conduct direct control of the pump flow rate in response to the vehicle speed possible, ensuring natural and real steering feeling.