2007-2011 Polaris IQ Snowmobiles Service Manual, Page 476Get this manual
Battery and Electrical Systems CFI RegulatorRectifier Diode Testing
The CFI regulatorrectifiers, PNs: 4011731 and 4012476, can be tested using multimeterAlways test the regulatorrectifier after replacing damaged ECUA faulty regulatorrectifier can damage the ECUTERMINAL VIEWS
Set multimeter to DIODE CHECK MODEOL equals OPEN LINE0 equals zero OHMSDisconnect all wire connectors before testingDC SUPPLY
AC SUPPLY