9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
1.57
OIL PUMP ENRICHMENT MODE TIMER RESET
The Oil Pump Enrichment Mode Timer Reset Procedure
is a Service Procedure performed with Digital Wrench
and resets the enrichment mode timer for the oil pump in
the ECU.
IMPORTANT
This procedure must be performed whenever the
following occurs:
• Engine rebuild
• New cylinder installed
• New pistons / rings installed
• New crankcase installed
• New crankshaft / crank bearings installed
• New water pump cross shaft installed
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.
6. Connect the SmartLink cable to the vehicle and PC /
laptop.
7. Start Digital Wrench, and select the appropriate
vehicle.
8. Select the Special Tools (Tool Box) menu and then
Service Procedures.
GENERAL INFORMATION
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