Turning to the left decreases Signal 1 Voltage and increases Signal 2 Voltage. Turning the steering wheel to the right increases Signal 1 Voltage and decreases Signal 2 Voltage.
It sounds complicated, but it really isn't. This sensor is a five-volt, dual analog inverse signal device operating between 0.25V and 4.75V (as many five-volt reference sensors do – voltage outside of this range usually indicates a circuit problem and sets a DTC). Getting extremely technical, the torque signals are determined by the relative position between the upper and lower rotors of the sensor. The steering shaft torque sensor (located in a section of torsion bar in between the steering input and output shafts) is the Power Steering Control Module's (PSCM) main input for determining steering direction and the amount of assist needed.
#2015 chevy trax lt driver
The EPS system is more efficient than hydraulic systems since it only needs to provide assist when the driver is actually steering (rather than robbing energy from the vehicle's engine to rotate the hydraulic pump constantly), and it keeps the environmentalists happy since there's no harmful fluid involved that needs to be flushed or drained. EPS simply uses an electric motor to provide the assist rather than use a hydraulic pressure system. The idea behind EPS is the same as the idea behind hydraulically assisted power steering systems: reducing the amount of effort needed to turn the steering wheel.
#2015 chevy trax lt how to
And that means that you need to know how the system works, what goes wrong and how to fix it – quickly, safely and profitably. Because the system is such a fuel-saver and also lowers emissions, it's turned up on most of the vehicles on the road. Interestingly, it's not just expensive or luxury models that use EPS. GM vehicles have used electric power steering (EPS) systems for over a decade now, so odds are good you've already worked on a vehicle using the system. R134a and R1234YF have different low pressure port types, so you should never use a recharge adapter to add the wrong type of refrigerant.Editor's Note: This article has been updated from its original 2011 version. You cannot add R1234YF refrigerant to a R134a system nor can you add R134a refrigerant to a R1234YF system. There is an AC sticker in the engine bay of your 2015 Trax that indicates if it requires R134a refrigerant or the newer R1234YF type to do a recharge. What type of refrigerant does a 2015 Chevrolet Trax use? Air conditioning systems can vary so it is critical that you check the sticker in the engine bay to determine your Trax refrigerant type. Typically the AC recharge kit you buy will have enough capacity to add enough freon to get the AC in your Trax to blow cold air. In addition to cooling, freon lubricates the compressor when it runs. When your compressor kicks on, add freon to the correct pressure. Once you find the 2015 Trax AC low pressure port cap, hook up the can of refrigerant to the low pressure port. How do you recharge AC in a 2015 Chevrolet Trax? The low side AC port location is the first thing to find when you are looking for how to put freon in a car. If there is a problem with your compressor or evaporator, adding freon will not restore cooling. The A/C system in your Trax consists of a compressor that is belt-driven, an evaporator and freon. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a freon. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. When the air conditioner in your 2015 Chevrolet Trax starts blowing hot air, you likely have a freon leak.
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