Page 228 - Manual Oficina Polaris RS1 2018 e 2019

FUEL SYSTEM

6. Disconnect the wire harness from the ETC r and the 9. Reverse the previous steps to reinstall the throttle
TMAP t located on the ends of the throttle body body.
assembly. 10.Upon installation of the fuel rail and injectors, lightly
lubricate injector O-rings to aid installation. Torque
the fuel rail mounting screws to specification.
TORQUE

Fuel Rail Mounting Screws:
44 in-lb (5 Nm)

11. Reinstall battery terminals and torque terminal
fasteners to specification.

TORQUE
Battery Terminal Fasteners
60 in-lbs (7 Nm)

7. Loosen the two hose clamps y that retain the dual ETC TEST
throttle body assembly u to the intake adapters. Never attempt to disassemble the ETC assembly.
Carefully lift the throttle body assembly out of the Warranty is void if the end cover is opened or tampered
intake adapters.
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 “ETC / Throttle Body Replacement”).
If code P1227 is being set, verify the following:
1. Check power supply voltage on pin for Pedal
8. Remove the two screw retaining the fuel rail to the 2. Verify voltage at pedal for supply line. Troubleshoot
throttle body. Lift the fuel rail and injectors out of the wiring
throttle body assembly taking care not to damage the 3. Check the pedal for sensor/physical damage (circuit
fuel injector ends. fault). Troubleshoot pedal 1 and 2 vs each other
(depending on faults)
NOTE

It is not necessary to disconnect fuel lines or the injector
harnesses to perform this procedure.

4.42 9928689 - 2018 RZR RS1 Service Manual
© Copyright Polaris Industries Inc.