Polaris 2011 RANGER RZR, Service Manual, Page: 150 / 418

4.33
ELECTRONIC FUEL INJECTION
4
9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
CAMSHAFT PHASE SENSOR
Operation Overview
Mounted on the engine crankcase, the Cam Phase Sensor
provides camshaft position information to the ECU to be used
along with the crankshaft position data to allow for sequential
fuel injection.
The Cam Phase Sensor provides camshaft position information
to the ECU to be used along with the crankshaft position data to
allow for sequential spark and ignition timing.
Cam Phase Sensor Test
The Cam Phase Sensor is a non-serviceable item. If it is faulty,
it must be replaced.
With the ignition key switch on, the sensor should have battery
voltage present on the Red / Dark Blue wire and ground present
on the Brown wire.
NOTE: Use Digital Wrench™ Diagnostic Software
(dealer only) if you suspect this sensor is faulty.
Cam Phase Sensor Replacement
1. Access the sensor through the right rear wheel well.
2. Disconnect vehicle harness from the sensor.
3. Remove the retaining bolt and remove the sensor from the
engine.
4. Use a light coating of engine oil to lubricate the O-ring upon
installation of the new sensor.
5. Install the sensor by inserting it with a twisting motion to
allow it to properly seat.
6. Install the retaining bolt and torque to specification.
ECT
Camshaft Phase Sensor
= T
Cam Phase Sensor Retaining Bolt Torque:
50 ± 5 in. lbs. (5.65 ± .55 Nm)