Polaris 850 PRO-RMK 155 2020 Manual page 120

GENERAL INFORMATION
2. Obtain a fully-charged 12 volt battery and the Chassis
Power Up Harness.
Chassis Power Up Harness:
PS-47296–B
3. Open the left engine compartment panel.
4. Connect the Next-Gen Service Power Harness to the
diagnostic connector on the wiring harness.
Next-Gen Service Power Harness:
PS-52573
5. Connect one of the Chassis Power Up harness leads
to the ECU PWR diagnostic test connector on the
Next-Gen Service Power Harness.
6. 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.
7. Connect the SmartLink cable to the vehicle and PC /
laptop.
1.114
8. Start Digital Wrench on the laptop.
9. Select the model year, product line and vehicle
description by selecting the "Change Vehicle Type"
icon.
10. Select the "Special Tests" icon. Select "Engine
Controller Reprogramming".
11. Select the file you want to load into the ECU then
click the "Continue" icon to proceed to the Integrity
Check and obtain a Request Code.
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.