Electric Power Steering Sensor Data

[ilijaculap]

Hello. I have a question about how to read data from torque sensor on a steering column of a car. This is steering system from Renault Twingo C06. I do not know what sensor is in there. It may be SX-4428 or something similar. There are 6 wires comming out of the box. In manual says it is:

ELECTRIC POWER STEERING TORQUE SENSOR FEED 1
ELECTRIC POWER STEERING TORQUE SENSOR FEED 2
ELECTRIC POWER STEERING TORQUE SENSOR SIGNAL 1
ELECTRIC POWER STEERING TORQUE SENSOR SIGNAL 2
ELECTRIC POWER STEERING TORQUE SENSOR EARTH 1
ELECTRIC POWER STEERING TORQUE SENSOR EARTH 2

There are 2 other topics with some more information and pictures:

Reading values from an Electric Power Steering column

Hi all, This is my first question here. I'm trying to build a three-wheeled motorcycle, which will lean into corners. I want the leaning to be an active system. My idea is to lean the theewheeler based on steering forces. For this purpose I purchases a Citroën C1 electric power steering column. I am trying to read a signal from it, to feed into an Arduino Uno. The steering column has a spring steel torque tube inside and two sensor rings. I'm assuming these sensor rings work on some kind of m…

Power steering from Renault Clio - emulate car signals

Hi guys, I have a power steering column form Renault Clio and I would like to use the electric motor and the gear for a sim racing project. But, I've found a big blockage in my roadmap, for some reason, when I connect a power source to the motor, I can hear the motor running, but nothing happens to the shaft. In other forums, related to cars, several users point out that the power steering is adaptive, so, the speed to the shaft will depend on several parameters, mainly, speed of car, amount …

In first one there is suggestion to build some circut with resistors and caps, but there is no answer, if it actually helps

Feed and Earth wires are connected together, so there are actually 4 wires. I tried applying voltage to feed and earth (5V and 12V), and then read from Signal wire. There is voltage, but it does not change when i turn or apply torque on steering column. I also tried applyting PWM (5V) to Feed, but there are no changes in voltage on signal wire (I used my Scope to see if there is something). I really do not know what to try next. Can somebody help me with some suggestions?

Some more resources:

SX-4428.pdf

Thank you all in advance!