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9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
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15. Once the ECU reprogramming procedure is complete, click the ‘Finish’ button on the screen. Verify the reflash was
a success by starting the vehicle.
ETC LEARN PROCEDURE
IMPORTANT
This procedure MUST be performed on the vehicle whenever the ECU is replaced or reflashed or the throttle body is
replaced.
1. After the reflash / ECU replacement / throttle body change, leave the key on (engine not running) for 60 seconds.
Do NOT crank the engine during this time.
2. Turn the key off and wait 3 minutes. During this time, the ECU will write values into memory and then completely
shut down.
3. Turn key back on and start the vehicle. The vehicle should operate normally.
4. If the procedure was interrupted at any time, start back at step 1.
FUEL SYSTEM
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