Eps Troubleshooting (Power Steering Non-Functional With Mil Off) - Polaris RZR PRO R Service Manual

GENERAL INFORMATION

EPS TROUBLESHOOTING (POWER STEERING NON-FUNCTIONAL WITH MIL OFF)

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®.
Begin
←
Digital
Wrench
EPS
Yes
Trouble-
shooting
Procedure
↑ ←
1.58
READ BEFORE YOU REPLACE THE EPS UNIT!
Power
Steering
Non
Functional,
MIL is OFF
↓
→
Is Battery
Voltage >11
and
No
<16VDC?
↓
Yes
→
Is EPS Fuse
OK?
No
↓
Yes
12 VDC and
→
GND across
2 Pin EPS
Connector
No
with Key
On?
↓
Yes
→
12 VDC on
Pin 3 of the
8 pin EPS
No
Connector?
↓
Yes
EPS MIL
→
turns on
during
Instrument
No
Cluster
Power Up
Self Test?
←
IMPORTANT
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
MIL Lamp
should
come on
→
briefly
during
Instrument
Cluster
Power Up.
← ↓
9940259 R02 - 2022 RZR PRO R / PRO R 4 Service Manual
→
Instrument
Cluster EPS
MIL lamp
No
OK?
© Copyright Polaris Industries Inc.
Trouble-
shoot per
"Non
Functional
and MIL
ON"