1.34
9850068 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
WARNING LIGHTS
1. CHECK ENGINE
• Engine fault has been detected. Refer to Digital
Wrench for codes.
• Proceed with diagnosis after checking codes.
2. EPS WARNING (If applicable)
• Power steering fault has been detected.
• Check for codes using Digital Wrench. If no codes
present refer to EPS System – Troubleshooting
• Check connections at battery, could be caused by
voltage concern.
• Visually inspect connections at EPS Unit.
• For further diagnosis refer to Steering System –
Steering Assembly EPS
3. ENGINE HOT
• Over temperature condition detected.
• Check coolant level. If not full fill to correct level.
Bleed the cooling system to ensure there are no air
pockets present.
• Visually inspect hoses and radiator for coolant
leaks. Repair as necessary.
• Pressurize cooling system and look for pressure
losses. This indicates a leak in the cooling system.
Inspect for external leaks, if none are found it is
possible there is an internal leak.
• Check cooling system using combustion leak tester
for any combustion gasses entering the cooling
system. This could indicate possible Head /
Headgasket failure.
• Check oil level. Verify that oil is filled to the correct
level. Engine oil that is low, or overfull can cause
overheating concerns. Check maintenance history
to see if oil needs to be changed.
• Visually inspect for oil leaks.
• Refer to Over Heating page 1.33 for more info.
4. PERFORMANCE LIMITED
• Check for codes using Digital Wrench. Refer to
Guided Diagnostic for further diagnosis.
5. BRAKE WARNING
• Detects brake system failure.
• Inspect brake system for leaks, damage, etc. Refer
to Brake System chapter for more information.
GENERAL INFORMATION
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