Page 255 - Manual_Polaris_RZR_ProXP-20-21

ENGINE ELECTRICAL

ELECTRONIC THROTTLE CONTROL (ETC) / THROTTLE BODY

ETC OPERATION OVERVIEW ETC TEST
Mounted to the intake manifold, the throttle body q Never attempt to disassemble the ETC assembly.
assembly provides the proper air/fuel ratio needed for Warranty is void if the end cover is opened or tampered
engine operation. with in any way.
All operating and control functions within the ETC are
pre-set. No internal servicing or adjustments may be
performed. If a problem is encountered, and you
determine the ETC to be faulty, contact the Polaris
Service Department for specific handling instructions. Do
not replace the ETC without factory authorization.

Use Digital Wrench® to perform all troubleshooting of
this component. Use a Volt Ohm meter to test the vehicle
harness continuity between the ETC connector and ECU 4
connector. Refer to the wire diagram for pin-out details. If
the ETC is faulty, the entire ETC assembly must be
replaced (see ETC / Throttle Body Replacement page
4.10).
If code P1227 is being set, verify the following:
1. Check power supply voltage on pin for Pedal
The throttle body assembly includes the Electronic
Throttle Control and Idle Air Control systems. 2. Verify voltage at pedal for supply line. Troubleshoot
wiring
NOTICE
3. Check the pedal for sensor/physical damage (circuit
The ETC is a non-serviceable component and can only fault). Troubleshoot pedal 1 and 2 vs each other
be tested using Digital Wrench®. If the ETC is faulty, (depending on faults)
the entire assembly must be replaced.

Mounted on the throttle body, the ETC w electronically
controls the throttle body. The ETC controls engine
throttle operation to provide the proper air/fuel ratio
needed for engine operation at all RPM ranges based off
input provided by the Pedal Position Sensor (PPS) and
Electronic Control Unit (ECU).

9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual 4.9
© Copyright Polaris Industries Inc.