4
9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
4.17
ECU REPLACEMENT
Although the need for ECU replacement is unlikely, a
specific replacement procedure is required to ensure that
all essential data contained within the original ECU is
transferred to the replacement ECU. This procedure
requires the use of Digital Wrench Software which is only
available at an authorized dealer. Therefore ECU
replacement should only be done at an authorized
dealer.
NOTE
Refer to this procedure and carefully follow all
instructions provided in Digital Wrench .
1. Carefully follow the ECU replacement instructions
provided in Digital Wrench to ensure that all
essential data contained within the original ECU is
transferred to the replacement ECU.
2. Remove seat and ECU cover
q
.
3. Remove the 4 screws
w
retaining the ECU.
4. With the ignition turned off, disconnect the wire
harness from the ECU. Lift the connector locking
lever and rotate it up until the connector is free from
the ECU.
NOTE
Upon removing the ECU connector, you should hear a
“click” when the connector is fully open.
5. To install, reverse the procedure and tighten any
fasteners to specification.
NOTE
Upon installing the ECU connector, you should hear a
“click” when the connector is fully closed.
FUEL SYSTEM
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