12.30
9940259 R02 - 2022
RZR
PRO R / PRO R 4 Service Manual
© Copyright Polaris Industries Inc.
FAN CONTROL CIRCUIT BYPASS TEST
1.
Disconnect
harness
from
coolant
temperature
sensor on the engine cylinder head (see Engine
Coolant
Temperature
Sensor
(ECT)
Overview
outlined in this chapter).
2.
With the transmission in Park, start the engine. After
a few seconds, the fan should start running and the
“Check Engine” indicator should display on the
instrument
cluster.
This
indicates
all
other
components are working properly.
3.
If the fan does not run or runs slowly, check the fan
motor wiring, ground, motor condition, circuit breaker
and mechanical relay for proper operation. Repair or
replace as necessary. If the fan runs with the sensor
harness disconnected, but will not turn on when the
engine is hot, check the coolant temperature sensor
and connector terminals.
COOLING FAN REPLACEMENT
REMOVAL
1. Drain cooling system.
2. Remove two fasteners
q
and remove the hood.
3. Remove one fastener
w
and remove the nose cone.
4. Remove thirteen fasteners
e
, one push-pin
r
, and
remove the front fender flare. Repeat for opposite
side of the vehicle.