9850068 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
1.27
ENGINE AND DRIVABILITY DIAGNOSTIC PROCEDURES
NOTICE
The following chart is to prevent overlooking a simple problem. These basic systematic procedures should be
checked before further testing is performed.
q
What is the
customers concern
and can the concern
be duplicated at this
time?
Yes
• Proceed to step
w
No
• If the concern can not be duplicated, check for any bulletins related to the
concern. Gather more information from the consumer. Proceed to step
e
. If
the concern still can not be duplicated proceed to step
u
.
w
Are there any
Team-Tips, Recalls,
or Other Bulletins for
this concern?
Yes
• Proceed to bulletin for repair procedure. If problem is still present, return to
chart.
No
• Proceed to step
e
e
Are there any
warning lights or
messages on
vehicle? (Reference
necessary manual
for light
identification)
Yes
• For CHECK ENGINE LIGHT or PERFORMANCE LIMITED LIGHT
– Connect to Digital Wrench®. Check codes and continue with Digital
Wrench® Guided diagnosis.
– Certain failures may not display a CEL / MIL on the instrument cluster. In
this instance record CEL’s from the instrument cluster and refer to the
necessary section in the Service Manual.
– Refer to Warning Lights page 1.34.
• For ENGINE HOT WARNING
– Check Coolant level. If not full, fill to correct level.
– Check Oil level. If not full, fill to correct level.
– Visually inspect for Oil or Coolant leaks. If any leaks are present repair
before continued diagnosis.
– Refer to Warning Lights page 1.34.
– Refer to Over Heating page 1.33.
• For EPS WARNING (if applicable) Refer to STEERING - EPS
TROUBLESHOOTING.
– Check battery voltage and connections.
– Check connections at EPS unit. If any connection or wiring damage is
found, repair before proceeding.
– Refer to EPS Troubleshooting (Using Digital Wrench®) page 1.71. Check
codes and continue with diagnosis.
– If no codes are present, refer to EPS Troubleshooting (Power Steering
Non-Functional with MIL OFF) page 1.70
– If codes are present, refer to EPS Troubleshooting (Power Steering Non-
Functional with MIL ON) page 1.69
No
• Connect to Digital Wrench®. Check codes and continue with Digital
Wrench® Guided diagnosis.
• If no codes are present, proceed to step
r
GENERAL INFORMATION
1
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