2007 Polaris Sportsman 700/800/800 X2 EFI Service Manual, Page 134Get this manual
FUEL INJECTION ENGINE TEMPERATURE SENSOR
Operation Overview
Mounted on the cylinder, the engine temperature sensor measures coolant temperatureThe engine temperature sensor is Negative Temperature Coefficient (NTC) type sensor, as the temperature increases the resistance decreasesEngine Temperature Sensor To quickly rule out other components and wiring related to the ETS, disconnect the harness from the ETSThe fan should turn on and HOT' should indicate on the instrument clusterThis indicates all other components are working properlyRefer to Chapter 10 for ETS testingPolaris dealers can also test the sensor by using the Polaris Digital Wrench Software (dealer only)Refer to the Digital Wrench Software Manual for more information
Engine Temperature Sensor Test
Table 4-1: ETS Resistance Readings TEMPERATURE 'F ('C) 68 'F (20 'C) 212 'F (100 'C)
RESISTANCE