electronic steering

Electronic steering: How it works and possible problems

In Uncategorized by HomeTowne Auto Repair & Tire

Cars nowadays are more reliant on electronics than ever before.

They are made up of computers, modules, clocks, and the ability to charge items.

Many are even coming with electronic steering.

Different types of power steering

There are a couple of different types of power steering, or electronic assisted steering. One of the common ones is where it’s on the steering shaft. It turns the steering wheel and goes down the shaft to the rack and pinion or the gear box.

The electronic steering has an electronic control unit, which takes input from a steering wheel angle sensor. The sensor measures how fast and far you’re turning the steering wheel. If you’re moving a little bit, it doesn’t need to move very fast. But if you turn it really hard, it’s going to help assist that steering much faster.

Once those different inputs are taken and calculated through the control unit, the motor is able to work hard or soft to make the steering effortless for the driver – whether it’s a little or a lot of turning.

The electronic motor is made onto the rack and pinion, giving it a different type of drive over the one that’s on the steering column.

You still have your input from the steering wheel that’s going down to the rack and pinion. So, if there’s a problem you can still steer the vehicle, it just may be harder. But a lot of the time it can save space by the electronic motors being on the rack and pinion.

Sometimes, when replacing them on the European vehicles – such as Audis, Volkswagens, BMWs and Mercedes – you need to recode them or update programming. This can affect the time frame of how long it takes to get your vehicle fixed. It’s not always just replacing the part and you’re good to go. You actually have to recalibrate, code the part to the car, and then go through the checks to make sure everything is OK.

Hydraulic power steering and electric power steering

We have seen electronic steering in some vehicles since 2002. So, it’s not brand new, it just wasn’t as common back then. It might have only been in certain vehicles, usually higher end models. Now, you see it across the board on every day cars. 

Is the old way of hydraulic power steering better than electric power steering?

When you’re looking at the vehicles now – because electronics have come a long way, the electric steering is a little bit more efficient. 

You don’t have the power steering pump, the hoses, more components that can fail, and more drag on the engine. When you start to take the loads off the engines that way it makes these cars a little more fuel efficient.

Things to watch for

If you see certain alerts, like electronic stability control or variable steering assist, you will want to get that checked out sooner rather than later. Sometimes, the problem can be as simple as a bad steering angle sensor. It could also be that the rack and pinion is having a problem.

Some issues are some of the same ones you would experience with the older systems. For example, if you hit a curb or a pothole, that could ruin one of the inner or outer tie rod ends. That would put a lot of force on the rack and pinion, which in turn puts a lot of force on that electric motor.

Some of the things are kind of the same, but a lot of times you don’t have as much maintenance to do.  

HomeTowne Auto Repair & Tire is an authorized Michelin and BFGoodrich tire dealer located in Woodbridge, Virginia. Automotive repair services are performed on all makes and models, including oil changes, brakes, alignments, inspections, and computer engine diagnostics.