Ecu Replacement - Polaris RANGER XP 900 2018-2019 Service Manual

FUEL SYSTEM

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.
NOTICE
Refer to this procedure and carefully follow all
instructions provided in Digital Wrench®.
1. Remove the passenger seat base.
2. Connect the Vehicle Interface Cable to the Digital
Wrench® diagnostic connector. Go to the Special
Tests menu and select ECU Replacement. Carefully
follow the ECU replacement instructions.
3. Remove the four T-25 Torx head screws retaining
ECU to center tray.
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.
NOTICE
Upon removing the ECU connector, you should hear a
"click" when the connector is fully open.
5. Remove the ECU from the vehicle.
6. To reinstall, reverse this procedure and tighten the
mounting screws to specification.
NOTICE
Upon installing the ECU connector, you should hear a
"click" when the connector is fully closed.
TORQUE
ECU Retaining Screws:
24 lb-in (2.7 Nm)
4.22
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
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