Page 362 - Manual Oficina Polaris Sportsman 570 2014 a 2016
P. 362
FUEL SYSTEM
7. Prepare a table similar to the one below, then heat ECT SENSOR REPLACEMENT
the water and document the resistance measured 1. Remove the seat and left side panel.
between pin 1 and pin 2 as the water and sensor
warm. If the Sensor tests out of tolerance, the sensor 2. Remove the PVT outlet ducting to access the ECT
should be replaced. sensor.
ECT Sensor Resistance Readings 3. Drain coolant to level below sensor.
4. Disconnect sensor from engine harness q.
TEMPERATURE °F (°C) RESISTANCE
68 °F (20 °C) 2.5 k Ω ± 6%
86 °F (30 °C) 1.7 k Ω ± 6%
104 °F (40 °C) 1.2 k Ω ± 6%
122 °F (50 °C) 834 Ω ± 6%
140 °F (60 °C) 596 Ω ± 6%
158 °F (70 °C) 435 Ω ± 6%
176 °F (80 °C) 323 Ω ± 6%
194 °F (90 °C) 243 Ω ± 6%
212 °F (100 °C) 186 Ω ± 6%
5. Using a wrench, remove and replace the sensor w,
applying a light coating of thread sealant to aid
installation.
6. Torque the sensor to specification.
TORQUE
ECT Sensor:
17 ft-lbs (23 Nm)
7. Add the required amount of coolant and properly
bleed the cooling system.
8. Install the PVToutlet ducting.
9. Install the seat and right side panel.
4.46 9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual
© Copyright Polaris Industries Inc.
