Maintenance And Repair's Supplemental Description - Hisun HS500 Owner's Manual

7. Open main switch, steering to the same direction automatically.
S/N Fault phenomenon
1 No meter alarm
No meter alarm ,
2
Sensor no loosening.
Maintenance and repair's supplemental
description:
1. Restart initialization to ECU parameter:
Park UTV on the flat ground and keep
the front wheels to be forward always.
Pull-out initialization selects connector.
（See Page 9-22 ）
Push UTV back and forth for several
times, and flap the wheels for several
times.
Open the main switch and wait for 5
seconds.
Electric power steering system
Fault point
Sensor is loosen
The initialization parameter of
ECU has error.
Reinsert pin connector to finish the ECU
parameter initialization process.
Then, open the main switch; check whether
the fault is removed. If it is not removed,
follow the previous steps of initialization
process. Because the different mechanical
clearance of UTV, it may require 3-5 times to
be repeated in order to get the correct
initialization parameters.
If a customer complaint" vehicle deviation", it
should take into account the fault causes not
only includes the EPS system fault, also
9-26
Solution
To dealers for repair.
Restart initialization for
ECU