2001 Polaris SLH, Virage PWC Factory Service Manual, Page 229Get this manual

2001 Polaris SLH, Virage PWC Factory Service Manual, Page 229

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 :