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9940259 R02 - 2022 RZR PRO R / PRO R 4 Service Manual

4.3

5. With the ignition turned off, disconnect the wire

harness from the ECU. Lift the connector locking

levers

and rotate up until the connectors are free

from the ECU.

NOTICE

Upon removing the ECU connector, you should hear a

“click” when the connector is fully open.

6. Remove four fasteners

and remove ECU.

8. To install, reverse the procedure and tighten the

mounting fasteners to specification.

NOTICE

Upon installing the ECU connector, you should hear a

“click” when the connector is fully closed.

TORQUE

ECU Retaining Fasteners:

27 in-lbs (3 Nm)

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.

ENGINE ELECTRICAL

Polaris RZR PRO R User Manual

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