2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 371Get this manual
ELECTRICAL Instrument Cluster Diagnostic Mode
NOTE: This gauge features auto shut-off protection if the voltage on the DC bus is excessiveThis is usually the result of an open battery condition, and the gauge is designed to survive such an eventNOTE: If the gauge will not indicate what gear it is in and will not allow AWD operation, AWD can still be enabled by holding in the modeoverride buttonNOTE: As long as you are in the diagnostic mode, the wrench icon will remain litNOTE: Any movement of the tires will trigger the speedometer out of the diagnostic mode and into standard display modeNOTE: To leave the diagnostic mode, turn the key switch off and on1Turn the key switch off and wait 10 seconds2Set the park brake and shift the transmission to neutral3Hold the modereverse override button as you turn the key switch on4Release the switch as soon as the display is activatedUse the modereverse override button to toggle through the diagnostic screensNOTE: The initial screen display refers to the This software version installed on your ATVinformation is only displayed brieflyScreen 1: The first screen indicates battery voltageRefer to Ill2Ill.3 Screen 3: AWD diagnostic screenThis screen indicates whether or not current is flowing through the AWD coil on models with switchable AWDScreen 2: Tachometer (Ill3) indicates engine rpm