2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 63Get this manual
ELECTRONIC FUEL INJECTION THROTTLE POSITION SENSOR (TPS)
Operation Overview
The throttle position sensor (TPS) is used to indicate throttle plate angle to the ECUTPS Throttle Body
TPS Resistance Tests
The throttle position sensor (TPS) is non-serviceable itemIf it is faulty, it must be replacedIt can be tested using the following method: Using an Ohm Meter: With the test leads connected and the meter set to the ohms scale, observe the reading at the following pin locations of the TPS:
TPS Connector
TPS Resistance Readings