Since no one here answer my question.I search by myself and the following are the answer if not right please correct me.a)The out put speed sensor(or revolution sensor) is locate in AT and is function to guide and monitor the revolution of the transmission through the TCM to control the gear change.Malfunction will show transmission problems and generate the code po720.b)The vehicle speed sensor are function basically to show the speed and how many mile of the driving.Malfunction will show no speed in speedometer and odometer but not interfere of the performance of the car.
Last edited by wau; 07-25-2010 at 08:36 AM.
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