Differences between the various MFD versions

Quick-Trim position indicator

Note: No trim or trim indicator on SLT 3 seat models

The Fast trim motors on the Pro models and 1999-2001 SLX move the trim nozzle at twice the rate of the 'standard' trim motors.

The MFD trim position display on these machines also tracks at twice the normal rate, when the trim buttons are pressed.

If you mis-match the trim motor speed and MFD, the MFD trim position display will not match the actual trim position..

3280264 is a fast trim response version, max tachometer 10,000 RPM, matches non-standard fuel sender

3280252 is a slow trim, max tachometer 7,000RPM, standard fuel sender

Calibrating trim motor position with MFD display of trim position

Some MFD have the Oil level gauge on the left side, other MFD have the oil on the right.

Compass on only one MFD version?

Maximum RPM capability. The Pro 785 MFD can handle 10,000RPM, other MFD are not rated to work accurately above 8,000RPM

MFD, MFI, NGI pin connections, functions
 MFD 12-to-8 pin adapter (Polaris PN 2460772)
How to convert between 8-pin and 12-pin MFD connectors
Some MFD have threaded plastic studs on the rear
8-pin MFD connections for round MFD, part number 3280147

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MFD Models listing

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Oval MFD

Round MFD

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How to repair faded digits in oval MFD display

Opening the sealed case
Best places to cut the case open (Green or Red arrow, behind the black front lip)

Just don't cut too deep or you may sever the switch 'wires'

If needed, careful and modest grinding of the internal circuit board support posts allows more contact pressure on the conductive rubber strip. Be careful and do not allow any metal filings to get into the MFD electronics.

Repairing the LCD connection inside the MFD
(The original Christian79 posting) with updates

How to cut open a round MFD display
Possible repair service for round MFD

My MFD display is really dead, and good working replacement MFD displays are hard to find, and often expensive.
As an alternative,  you can adapt the newer MFI style display to work on your older Polaris model






Original Patent for the digital speedometer system using a pitot fin inside the jet pump tunnel
United States Patent 5597952 Waterstrike Inc (Excelsior, MN) - Struyk, David A.

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Deutsch Connector Reference Guide
Deutsch Connector Technical Information
Deutsch 507-DTSeriesManual2007 in PDF format (View here)
How to Install Deutsch Connectors

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MFI (Multi-Function Instrument)

Virage, Genesis digital display (both carburetor and fuel injected models, 1999-2004)

MFI display Instructions Page 1    Page 2

If you see a red flashing lamp on the display, look for a text message telling you what the problem is.
MFI display/warning messages
HOT = Temp sensor indicates the engine is overheating

Do not continue to ride until the reason for the engine overheat is corrected.
If you cannot put your hand on the engine without burning yourself, the engine is running too hot)

Check Engine = There is a problem with an engine sensor, the engine itself, or the EMM control module

(Applies to Ficht fuel injected engines only)

Reverse = The reverse bucket behind the jet pump is not in the 'Forward' position.

(While in Reverse mode the red lamp will flash and engine RPM will be limited to 3500 RPM)

Low Fuel = Fuel tank is at or below 1/8 tank
Low Oil = Oil tank is at or below 1/4 tank
Low Power = Electrical system voltage is very low (10.9 volts or less). Charging system has a problem or the battery is weak/bad
Locked, Enter Code ____ = The MFI security code is active. Engine will not crank until the correct code is entered on the keypad.
Note: The MFI goes into sleep mode after five minutes of no activity. Clock will still be visible. Press any MFI button for one second or Start engine to 'wake up' the display.
RPM limit modes...

MFI Troubleshooting

Is it normal for the clock to always be visible? Yes
The MFI should go to sleep after five minutes of no activity, but the clock will still be active.
How do I check that it really is sleeping?
What does a working MFI display look like when it 'wakes up' from sleep mode?

My MFI hour meter reading is incorrect or very high

Sometimes the MFI engine hour counter will suddenly jump to a very high number, such as 553.3 hours (or 533?). This can happen if the battery has been left connected while the battery voltage has slowly fades away during storage and at some point the MFI internally becomes unhappy and does strange things. Until recently there was no way to reset the MFI hour counter back to the previous count, or to zero. You will read on here about MFD units that reset to zero hours, but the MFI and MFD are different things.
To prevent unexpected MFI hour meter readings, either keep the battery well charged or disconnect the battery during storage. This is yet another reason to favor AGM type batteries in your watercraft.

How to Reset the Engine Hour counter on the Polaris MFI display (Genesis & Virage)

Tip: When re-connecting the battery cable make sure you do so as a quick smooth motion with solid contact, without repeatedly jiggling the cable end against the battery post. If you are worried about the display or will be doing a lot of battery re-connecting, you can unplug the display connector behind the display until you are finished.

I don't know or have forgotten the security code for my MFI display.
MFI Security code reset method

How to unplug the MFI and still allow the engine to crank, start, and run
If the MFI is causing trouble or has an unknown security code, or is just missing or unplugged, you can still crank, start, and run the engine using a bypass jumper.

Can I repair faded digits on an MFI display?

Replacement parts
2201593 MFI button Replacement, kit
3280342 Bezel-MFI overlay

MFI special modes (Virage, Genesis)

Select Metric display (Kilometers)
Hold 1 + 2

Calibrate Compass (only for MFI with the Compass feature)
Hold 2 + 3
Display shows Calibrate
Orient display, press 1 (Clock Set)
Rotate display 180 degrees, press 1 (Clock Set)
Compcal Stor - Compass is now calibrated

Enable Depth sensor (only for MFI with optional depth sensor connected)
Hold 3 + 4
Message 'Sonar On' appears
If external depth sensor is not present, 'Sonar Off' appears

Ground both the Oil + Fuel sender wires (Pink + Blue directly to ground) ==> This will reset the security lock code to 1234

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NGI (Next Generation Instrument)

MFD, MFI, NGI pin connections, functions

There are two different versions of the NGI display.

One is only for the MSX 140 2-stroke model, and includes a 2-stroke oil tank level indicator.

The other NGI display version is found on the MSX 110 and MSX 150 turbocharged models. There is no oil level display, but there is a pseudo 'Turbo boost' indicator.

Both NGI versions are controlled by a single Reset button on the display, and a Mode button on the left handlebar.

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Fuel Gauge used on Polaris Freedom (2002-2004) 

Polaris Freedom 'Fuel Gauge' 2002 (3280392) and 2003-2004 (3280445)
Includes LED warning lamp driven by LR-85 'Lamp Driver' module

Freedom Fuel Gauge pin connections, functions

Older post;
Freedom Fuel gauge, LR-85 functions and diagnostics