2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 95Get this manual

2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 95

EFIIgnition Systems Diagnostic Communications Circuit
The diagnostic connector allows technician to connect the Digital Wrench diagnostic software to the ECUThe connector is located underneath the consoleThe ECU will go into diagnostic mode when the diagnostic software is connected to the system and stay awake for ten minutesThe key switch must be turned to the "start" position with the safety slap switch down to re-fresh the ECU data information and to extend the diagnostic on-time modeWhen connected, the laptop or PC supplies power to the fuse panel
Digital Wrench Diagnostic Cable Connection
Verify the safety slap switch is downConnect the communication cable, PN PU-47151, to the four-pin (WHITE) diagnostic connectorThe connector is located under the steering loop bracket in the engine compartment3Start the Digital Wrench diagnostic software program4Verify that the correct snowmobile has been picked (Model year as well as FS or FST) using the "CHOOSE VEHICLE" button5Turn the ignition key to the "START" position and releaseCommunications between the ECU and software should initiateNOTE: The ECU will remain active for approximately two minutes when the diagnostic cable is connected to the systemAfter two minutes, the key will have to turned to the "START" position momentarily to reestablish communication and re-fresh the data streamTo bypass the shut down mode, install the ignition switch jumper tool, PN PS-48463 12