System Description
- SYSTEM FUNCTION
- Progressive Power Steering (PPS) is a vehicle speed sensing type of power steering, which increases/decreases steering support in accordance with vehicle speed.
The power steering ECU sends a control signal to the steering gear (PPS solenoid valve) based on a vehicle speed signal. As a result, the steering feels tighter when driving at high speeds.
- Progressive Power Steering (PPS) is a vehicle speed sensing type of power steering, which increases/decreases steering support in accordance with vehicle speed.
- FUNCTION OF MAIN COMPONENTS MAIN COMPONENTS FUNCTION
Item Function Power steering ECU assy Power steering ECU receives vehicle speed signal from combination meter. It then sends signal to PPS solenoid valve. PPS solenoid valve assy PPS solenoid valve controls power steering fluid pressure after receiving signal from power steering ECU.