Method for diagnosing and processing fault of throttle position sensor
A technology for throttle position and sensor failure, applied in electrical control, machine/engine, fuel injection control, etc., can solve problems such as wrong operation, limit the use of fault diagnosis methods, and achieve the effect of ensuring normal operation
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[0024] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0025] This diagnostic technique is only performed when the vehicle is idling. The ECU is the throttle output signal to control the throttle opening at idle speed; the same throttle position sensor transmits the opening signal to the ECU, in order to diagnose whether the throttle opening fully meets the control requirements of the ECU; and the application cycle is specified as 10 micro Second.
[0026] Such as figure 1 As shown, the throttle position sensor (TPS) transmits the throttle opening signal to the ECU, and compares it with the signal of the ECU controlling the throttle opening. If the difference between the two comparison signals within one cycle is less than or equal to 5%, it is determined that the throttle position sensor is working normally; if the difference between the two comparison signals within one cycle is greate...
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