Page 567 - Manual_Polaris_RZR_ProXP-20-21
P. 567
ELECTRICAL
FAN CONTROL CIRCUIT BYPASS TEST COOLING FAN REPLACEMENT
1. Disconnect harness from coolant temperature REMOVAL
sensor on the engine cylinder head (see Engine
Coolant Temperature Sensor (ECT) Overview 1. Remove front fascia. See Front Fascia Removal page
outlined in this chapter). 11.17.
2. With the transmission in Park, start the engine. After 2. Drain cooling system.
a few seconds, the fan should start running and the 3. Remove four electrical connectors from the voltage
“Check Engine” indicator should display on the regulators.
instrument cluster. This indicates all other
components are working properly. 4. Remove two fasteners q securing voltage regulator
bracket and remove bracket/voltage regulators as an
3. If the fan does not run or runs slowly, check the fan assembly.
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.
5. Remove six push pins w and remove the radiator
shroud.
6. Remove two large hoses and one vent line from the
charge air radiator and remove charge air radiator
from the vehicle.
12
9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual 12.31
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