2007-2011 Polaris IQ Snowmobiles Service Manual, Page 192Get this manual
Fuel Systems Exhaust Temperature Sensor Crankshaft Position Sensors (CPS)
The tooth crank position sensor picks up all flywheel teeth and determines the following: Judge direction of rotation (forward and backward)
Sensor Specifications
Resistance Values 2.3M 392_F (200_C)76 1652_F (900_C)
Ignition advance angle control Injector drive angle control Excess advance ignition control at reverse MAGPTO cylinder detection The tooth crank position sensor picks up flywheel teethIt detects the crank angle and obtains minimal information of the crank angle when control enters into limp home mode The sensors must be in the correct position or the engine will not runA sheared flywheel key will cause the engine to not start or to shut off (misfire)