Diagnostic Mode - Polaris RANGER 500 2018 Service Manual

15. Press and hold the MODE button to save the setting
and advance to the next display option.
16. Repeat the procedure to change remaining display
settings.
Under / Over Voltage
This warning usually indicates that the vehicle is
operating at an RPM too low to keep the battery
charged. It may also occur when the engine is at idle
and a high electrical load is applied (lights, cooling
fan or other accessories).
If battery voltage drops below 11 volts, a warning
screen will display "Lo" and provide the present
battery voltage. If voltage drops below 8.5 volts, LCD
backlighting and icons will turn off.
If battery voltage rises above 15 volts, a warning
screen will display "OV" and provide the present
battery voltage. If voltage rises above 16.5 volts,
LCD backlighting and icons will turn off.

DIAGNOSTIC MODE

The diagnostic mode is accessible only when the check
engine MIL has been activated.
Use the following procedure to display diagnostic trouble
codes that were activated during current ignition cycle
causing the MIL to illuminate. Diagnostic trouble codes
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
will remain stored in the gauge (even if MIL turns off) until
the key is turned off.
1. If the trouble code (s) are not displayed, use the
MODE button to toggle until "CK ENG" displays on
the information display area.
2. Press and hold the MODE button to enter the
diagnostics code menu.
3. A set of three numbers will appear in the information
area.
• The first number (located far left) can range from 0 to
9. This number represents the total number of trouble
codes present (example: 2 means there are 3 codes
present).
• The second number (located top right) can be 2 to 6
digits in length. This number equates to the suspected
area of fault (SPN).
• The third number (located bottom right) can be 1 to 2
digits in length. This number equates to the fault mode
(FMI).
4. Use the trouble code reference table in the EFI
Chapter for a description of each code.
5. If more than one code exists, press the MODE button
to advance to the next trouble code.
ELECTRICAL
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