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Home >> Lexus >> 2006 >> LS 430 >> Repair and Diagnosis >> Steering >> Power Steering >> Progressive Power Steering System - Diagnostics >> PPS Linear Solenoid Circuit >> Circuit Description
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Circuit Description

This circuit supplies electric power to the PPS linear solenoid valve assy. The power steering ECU assy controls the output current to the PPS linear solenoid valve assy in accordance with vehicle speed, adjusting the amount of power steering assist. As vehicle speed increases, the current to the solenoid decreases.