4.34
ELECTRONIC FUEL INJECTION
9924125 - 2013 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2012 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.
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 Wre
nch™ 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
fr
om the engine.
4. Use a light coating of engine oil to lubricate the O-ring
upo
n 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.
Cam Phase Sensor Retaining Bolt:
50 ± 5 in-lbs (5.65 ± .55 Nm)