Page 489 - Manual Oficina Polaris RS1 2018 e 2019

ELECTRICAL

ELECTRONIC POWER STEERING WIRE COLOR FUNCTION

EPS OPERATION ORANGE (2-Pin) Main Power (30A Protected)

The EPS module is an intelligent electronic power BROWN (2-Pin) Ground
steering system that operates off of the vehicle’s 12V
electrical system. It calculates steering assist by sensing ORANGE (8-Pin) Key-On Battery Voltage
the difference between the input torque of the steering
post and the output torque required to turn the wheels, YELLOW (8-Pin) CAN High Signal
and then provides assist by energizing an electric motor. GREEN (8-Pin) CAN Low Signal
The process provides a smooth, seamless assist.
The system is continuously running diagnostic checks
and monitoring factors such as battery voltage, ground PROPER EPS SYSTEM DIAGNOSING
speed and engine speed. In the event an internal or
external issue that affects the EPS system is detected, READ BEFORE YOU REPLACE THE EPS UNIT!
the system will illuminate a fault indicator and transition NOTE
to a normal mechanically coupled steering system. The
system is Polaris Digital Wrench® compatible for Verify the EPS unit has the latest software version and
simplified diagnostics and system troubleshooting calibration loaded before replacing the EPS unit. If not,
through the vehicle’s diagnostic port. update to the latest version for each and follow the
guided diagnostic procedure(s) available in Digital
With the engine off and the key on, the power steering Wrench®.
unit will operate for up to five minutes. After the five
minutes, you will need to cycle the key switch and restart
the engine to regain power steering operation.

NOTE
To conserve battery power, the EPS unit will shut down
5 minutes after the engine has stopped if the key
remains in the ON position. At this point, the EPS
Malfunction Indicator Light will illuminate to indicate the
EPS has shut down and will set a fault code in Digital
Wrench®.

The Power Steering 30A Fuse.
• If the fuse fails, the Power Steering Malfunction
Indicator Light (MIL) on the instrument cluster will
illuminate. During this time, the vehicle will have no
power steering operation. You will be able to connect
and communicate with the vehicle’s Engine Controller,
but not the Power Steering Controller, while using
Digital Wrench®.

NOTE
DO NOT SPLICE OR CUT INTO THE CAN CIRCUITS.

WARNING 11
Electronic Power Steering (EPS) units are not
interchangeable between ATV and RANGER product
lines.

NOTE
See Chapter 5 ELECTRONIC POWER STEERING
ASSEMBLY, page for power steering unit removal
and installation procedures.

9928689 - 2018 RZR RS1 Service Manual 11.41
© Copyright Polaris Industries Inc.