2010 Polaris Sportsman 850 Service Manual, Page 73Get this manual
ELECTRONIC FUEL INJECTION EFI DIAGNOSTICS
Instrument Cluster Trouble Code Display
Use the following procedure to display diagnostic trouble codes logged in the ECU if the Check Engine (MIL) icon is illuminated on the instrument clusterNOTE: In order to view the diagnostic codes on the instrument cluster, the Check Engine (MIL) icon must be illuminated12345Place the transmission in PARKTurn the ignition switch to the "ON" positionToggle through the LCD display using the "SELECT" button until the Check Engine (MIL) icon begins flashingWhen the Check Engine (MIL) icon is flashing, set of two numbers will appear on the LCDThe first number is located in the information area and can be to digits in lengthThis number represents the Suspect Parameter Number (SPN)The second number is located in the clock area and can be to digits in lengthThis number represents the Failure Mode Identifier (FMI)MIL 78Use the "Diagnostic Trouble Code Table" as referencePress and hold the "MODE" button to cycle through all currently active trouble codes