Torque sensor fault is the cause of the car running deviation

The car malfunction, feeling running deviation is because four-wheel positioning is not normal? Or because the problem of torque sensor? Down to hear torque sensor manufacturer engineers how to say: a, fault phenomena such as: faw - 2012 Volkswagen golf cars, models for A6, equipped with straight CFBA eruption motive and 7 block DSG gearbox. The user reflect serious right in the process of driving vehicle. Second, the inspection and analysis according to the features of fault, maintenance personnel first feeling is only lead to the deviation of four-wheel positioning inaccurate so vag1995k four-wheels fixed position instrument was used to measure the specific parameters of wheel alignment. However, according to two front wheel toe-in value of cars should not drive to the right to the left. After adjusting the right vehicle positioning data, further analysis indicated that, in addition to the four-wheel positioning, possible deviation for the following reasons: (1) tire pressure is inconsistent. (2) tire wear. (3) steering Angle sensor g85 is not zero. Maintenance personnel visual tire wear on both sides of the decorative pattern, measured tire pressure is normal, to rule out faulty tyres. When the steering wheel in the middle position, diagnostic instrument can automatically read data of power steering system, its Angle is zero, after calibration and initialize the steering Angle. Turns the steering wheel to the left and right limit, can determine the trouble light yellow in electronic steering system has opened, and the fault occurred immediately after return to its original location on the steering wheel. Comparing with boundary location of the zero signal. Then maintenance personnel inspect the power steering system using echocardiography, fault code is: 00573 steering torque sensor beyond limit, occasionally. According to the content of the fault code, the cause of the problem is steering torque sensor signal is not correct. So we are looking for a new car, read the steering torque sensor signal, find trouble truck steering torque output to the right, so I can judge fault is caused by the steering torque sensor signal error. Torque sensor manufacturers engineer pointed out that: as the steering torque sensor is sent to the electronic steering control unit of the signal error correction, steering torque motor always has the correct calibration, this leads to a car travels in a straight line to the right. After three, troubleshooting and replacement of electronic power steering machine, and then to test, troubleshooting.

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