2010 Polaris Sportsman 850 Service Manual, Page 68Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 68

ELECTRONIC FUEL INJECTION Verify TPS Tester Reference Voltage volt reference voltage from the TPS Tester harness is required
the TPS Tester according to the instructionsRefer to "TPS TesterRegulator" for proper set-up and testingVerify the volt tester
battery is newDisconnect vehicle harness from TPS Disconnect Plug the TPS Tester harness into the TPSSet your voltmeter to
read DC VoltsInsert the red and black voltmeter probes into the test ports (see Figure 3-20)Move the throttle open and closed
slowly while reading the displayThe voltage should increase and decrease smoothly without any "jumps" when the throttle is
appliedIf voltage varies with throttle movement, continue on to the next stepIf the sensor did not function correctly, replace