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9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
PBR UPDATE / REPLACEMENT
1. Verify the most current update has been downloaded
and loaded into Digital Wrench.
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.
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. Open the Special Tests menu.
11. Select
Voltage Regulator Update/Replacement
(PBR)
.
12. Click Continue.