7
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
7.31
AWD DIAGNOSIS
Symptom: AWD Will Not Engage
1. Check the gearcase coil resistance. To test the coil
resistance, measure between the ground wire
q
(GY) and power wire
w
(BN/WH). Measurement
should be within specification.
Front Gearcase Coil Resistance:
21.44 - 23.70 Ω
2. Turn on ignition and AWD switches and place gear
selector in High or Low. Check for minimum battery
voltage at Gray and Brown/White chassis wires that
power the coil. Should have a minimum of 11 VDC.
3. If electrical tests are within specification, remove
gearcase (see “Front Gearcase Removal” outlined in
this chapter) and inspect components.
4. Inspect armature plate
e
for a consistent wear
pattern. There should be two distinct wear bands
r
.
If only one band of wear is present (or if there is wear
between the two bands), inspect the coil area as
indicated in Step 5. A wear band with an interrupted
wear mark may indicate a warped plate, which may
cause intermittent operation.
5. Check to make sure the coil
t
is seated in the U-
shaped insert
y
that is pressed into the gearcase
cover
u
. The top of the coil should be seated below
the U-shaped insert. The U-shaped insert controls the
pole gap. If the top of the coil is above the surface of
the U-shaped insert it raises the armature plate,
thereby increasing pole gap. If the pole gap increases
the coil will not be strong enough to engage the AWD
system. If this is found, replace the cover plate
assembly.
FINAL DRIVE
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