Polaris 850 PRO-RMK 155 2020 Manual page 107

7. Select the model year, product line and vehicle
description by selecting the "Change Vehicle Type"
icon.
8. Select the "Special Tests" icon. Select "ECU / Injector
/ Oil Pump Replacement".
9. On the following screen, select "Injector
Replacement".
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
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GENERAL INFORMATION
10. The next screen will prompt the user to verify the
Chassis Power-Up harness is connected to the
vehicle. Click "Done / Continue" to proceed.
11. Digital Wrench will scan the ECU and display the
current fuel injector color code on the screen. If the
fuel injectors installed on the engine are a different
color than what is shown, click on the correct color
box on the right side of the screen. Click on
"Continue".
12. Digital Wrench will set the fuel injector setting in the
ECU. After this process is completed, disconnect the
Chassis Power-Up harness from the ECU PWR test
connector. Wait for 10 seconds and then reconnect
the power connector.
13. Click "Continue". Repeat steps 7 – 11 to verify the
correct fuel injector color is set in the ECU.
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