9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
1.55
DIGITAL WRENCH - SERVICE PROCE-
DURES MENU
Clicking on the Special Tests Menu (Red Tool Box) and
then Service Procedures provides the following
selections:
• Break-In / Oil Pump Enrichment Timer Reset
• Exhaust Valve Learn (EV Actuator Learn Procedure)
• Fuel Pump Prime
• Gearing Change (Chaincase Gearing / Speedometer
Offset)
• Oil Pump Prime
FUEL INJECTOR BREAK-IN TIMER RESET
The Fuel Injector Break-In Timer Reset Procedure is a
Service Procedure performed with Digital Wrench and
resets the break-in timer for the fuel injectors in the ECU.
IMPORTANT
This procedure must be performed when new fuel
injectors are installed on the engine.
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
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