Volvo XC90 Steering System Quiz

Converting the rotational motion of the steering wheel into linear motion required for turning the front wheels is one function of the rack and pinion gearset.

• True

• False

The rack and pinion gearset does not provide any gear reduction function..

• True

• False

What connects the tie rod to the steering rack?

• A bolt

• A ball joint

• A gear linkage

• A hydraulic pump

What does the Power Steering Control Module (PSCM) use to calculate the torque command to the electric motor?

• Vehicle speed and torque sensor signal

• Fuel consumption rate

• Hydraulic fluid pressure

• Engine temperature

Which component converts the assist torque into an assist force?

• Torque sensor

• Rack screw

• Ball nut

• Toothed belt

What is controlled by software instead of mechanical deflection limiters in the steering system?

• Fuel injection

• Maximal steering deflection

• Brake pressure

• Engine timing

What does not need to be changed when changing tire dimensions according to the document?

• Physical parts

• Software settings

• Hydraulic fluid

• Engine components

What is one of the benefits of reduced noise level in the steering system?

• Increased fuel consumption

• Improved driving comfort

• Higher maintenance cost

• Reduced steering precision

What is the main function of the Power Steering Control Module (PSCM)?

• Control fuel injection

• Calculate torque command

• Adjust brake pressure

• Monitor engine temperature

What is the purpose of the software limiter in the steering system?

• Increase fuel efficiency

• Control maximal steering deflection

• Enhance engine power

• Reduce tire wear