Steering / Suspension Diagnostics; Eps Troubleshooting (Power Steering Non-Functional With Mil - Polaris RZR PRO XP 2020 Service Manual

GENERAL INFORMATION
STEERING / SUSPENSION
DIAGNOSTICS
EPS TROUBLESHOOTING (POWER STEERING NON-FUNCTIONAL WITH MIL ON)
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
↓
Cycle the ignition switch. Is MIL on?
↓
No
Is Battery Voltage >11 and <16VDC?
↓
Yes
Is EPS Fuse OK?
↓
Yes
12 VDC and GND across 2 Pin EPS Connector
with Key On?
↓
Yes
12 VDC on Pin 3 of the 8 pin EPS Connector?
↓
Yes
Begin Digital Wrench EPS Troubleshooting
Procedure
1.64
IMPORTANT
READ BEFORE YOU REPLACE THE EPS UNIT!
→
No
→
→
No
→
No
→
No
There is no issue. MIL on due to 5-minute
timeout. Verify code using Digital Wrench.
Determine cause of incorrect battery voltage and
repair
Replace EPS Fuse.
Check EPS Power Relay and Circuit
Check wiring from Connector to Ignition Switch
Circuit
9930583 R02 - 2020 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.