2001 Polaris SLH, Virage PWC Factory Service Manual, Page 229Get this manual
Electrical Systems MFDMFI Troubleshooting
If the MFDMFI is not working check the following itemsBattery connections for corrosion; Fuse inside electrical box; Pins in MFDMFI connector for corrosion or loose fit; Power and ground at the connector to the MFDMFIComponent inputs are functioning properly
Following are some of the common symptoms of malfunctioning MFDMFI and possible causes :