Polaris 850 PRO-RMK 155 2.6" QD 2021, Manual

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9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
18. At this point the reflash process will begin. Do not
touch the vehicle or PC during the process.
19. Once the ECU reprogramming procedure is
complete, click “Continue”. Cycle the power to the
ECU by disconnecting the Chassis Power-Up
Harness connector from the ECU PWR Test
connector.
20. Wait for 10 seconds.
21. Reconnect the Chassis Power-Up Harness connector
to the ECU PWR Test connector.
DIGITAL WRENCH – VEHICLE IDENTIFICA-
TION INFORMATION
Digital Wrench can be used to verify the information for
the ECU and instrument cluster. This information is
important as it well tell the technician if the correct model
number, ECU part number, VIN, calibration software and
instrument cluster software are loaded onto the ECU.
To view the vehicle information, follow these steps.
1. Obtain a fully-charged 12 volt battery and the Chassis
Power Up Harness.
Chassis Power Up Harness:
PS-47296–B
2. Open the left engine compartment panel.
3. Connect the Next-Gen Service Power Harness to the
diagnostic connector on the wiring harness.
Next-Gen Service Power Harness:
PS-52573
4. Connect one of the Chassis Power Up harness leads
to the ECU PWR diagnostic test connector on the
Next-Gen Service Power Harness.
5. Connect the power up harness to the battery.
NOTICE
If the snowmobile is equipped with a fully-charged
battery, it can be used to supply power to the test
connectors. If using a stand-alone service battery, do
not place the battery in the tunnel footwells. Place the
battery on the floor next to the engine compartment.
GENERAL INFORMATION