4.28
9925723 R01 - 2015
RZR
900 Service Manual
© Copyright 2014 Polaris Industries Inc.
ELECTRONIC THROTTLE CONTROL (ETC) / THROTTLE BODY
Throttle Body Operation Overview
Mounted to the intake duct right before the intake
manifold
1
, the throttle body
2
assembly provides the
proper air/fuel ratio needed for engine operation. The
throttle body is electronically controlled by the ECU
based on pedal position.
The throttle body assembly includes the Electronic
Throttle Control and Idle Air Control.
NOTE: DO NOT attempt to service the ETC
1
. The
ETC is a non-serviceable component and can only
be tested using Digital Wrench®. If the ETC is faulty,
the entire assembly must be replaced.
ETC Test
Never attempt to disassemble the ETC assembly.
Warranty is void if the end cover is opened or tampered
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
connector. Refer to the wire diagram for pin-out details. If
the ETC is faulty, the entire ETC assembly must be
replaced (see Chapter 4 –
ETC Replacement, page
4.28.
ETC Replacement
1. Remove the access panel in the cargo box.
2. Remove wire harness from ETC retainer clip
1
and
remove the ETC connector.
3. Loosen the clamp
2
retaining the intake boot to the
ETC. Remove the boot from the ETC.
4. Remove the four bolts
3
retaining the ETC housing to
intake plenum.
FUEL SYSTEM