Page 75 - Manual_Polaris_RZR_ProXP-20-21

GENERAL INFORMATION

STEERING / SUSPENSION
DIAGNOSTICS 1
EPS TROUBLESHOOTING (POWER STEERING NON-FUNCTIONAL WITH MIL ON)

IMPORTANT
READ BEFORE YOU REPLACE THE EPS UNIT!
Verify the EPS unit has the latest software version and calibration loaded before replacing the EPS unit. If not, update
to the latest version for each and follow the guided diagnostic procedure(s) available in Digital Wrench®.

Power Steering Non Functional, MIL is ON
↓

→
There is no issue. MIL on due to 5-minute
Cycle the ignition switch. Is MIL on? timeout. Verify code using Digital Wrench.
No
No↓

→

Is Battery Voltage >11 and <16VDC? Determine cause of incorrect battery voltage and
repair
No
Yes↓

→

Is EPS Fuse OK? Replace EPS Fuse.
No
Yes↓

→
12 VDC and GND across 2 Pin EPS Connector Check EPS Power Relay and Circuit
with Key On?
No
Yes↓

→

12 VDC on Pin 3 of the 8 pin EPS Connector? Check wiring from Connector to Ignition Switch
Circuit
No
Yes↓

Begin Digital Wrench EPS Troubleshooting
Procedure

9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual 1.69
© Copyright Polaris Industries Inc.