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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
1.98
IMPORTANT
READ BEFORE YOU REPLACE THE EPS UNIT!
→
No
→
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
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
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Chapters
Table of Contents
Troubleshooting
