Acceleration failure of the Chery Orinoco or A3, because the fault is often of this sensor. Learn to try it with Mechanical Girl.
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Hello, today I am going to show you how to test the suiche of the brake pedal of the Chery Orinoco or A3, this suiche is very simple, but it gives many problems when it does not work properly and it is because the information of this sensor goes to the computer of the car and indicates when the brake pedal is activated. In this way the ECU activates the ABS in addition to performing injection and spark cutting to improve the efficiency of the machine and help stop the car.
Brake pedal suiche
The sensor is quite simple and consists of an actuator that activates two suiches, one normally open (NA) and one normally closed (NC). The suiche NA goes to the computer and the NC goes to the rear braking bulbs.
To identify the suiches, you are guided by the colors of the terminals.
The NA correspond to the copper color and the NC correspond to the silver terminals.
The following rear view image of the sensor will give you a guide.
NC contact test
The test of this sensor is quite simple you just have to build the circuit that I show you next:
As you can see, the sensor is used as a suiche to interrupt the flow of current to the test lamp. And for this case we are testing the silver terminals that are normally closed.
To verify that they are really doing the work you must press the button of the sensor and you will notice that the lamp turns off and when releasing it the lamp turns on. If it does not work in this way the element has problems.
Contact test NA
Turn the sensor over and connect the lamp and battery to the copper-colored terminals as indicated in the image below:
For this case the lamp turns on when you press the button and turns off when you release it. If it does not work in this way or the lamp does not turn on properly, the sensor has problems.
Watch the video
And ready, this is all for today. I hope it will be useful for you to solve this failure of acceleration produced by this simple sensor.
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