2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 169Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 169

500 EFI FUEL SYSTEM ENGINE TEMPERATURE SENSOR General Information Mounted on the cylinder, the engine temperature sensor
Engine Coolant Temperature Sensor (ECT) Coolant passes through the cylinder and by the sensor probe, varying resistance reading
which is relayed to the ECUThis signal is processed by the ECU and compared to it's programming for determining the fuel
and ignition requirements during operationThe ECU also uses this signal to determine when to activate the fan during operationIf
for any reason the engine temperature sensor circuit is interrupted, the fan will default to "ON"1Disconnect sensor from
engine harness2Using wrench, remove and replace the sensor, applying light coating of thread sealant to aid installation3Torque
the sensor to specification ETS Installation Torque: 18.5 ftlbs(25 Nm) 99234122012 Sportsman 400500 and EFI Tractor Service