Electric Power Steering System
8-4
On the housing of ECU unit, there are sets of
electric plugs which function as follows:
• P1
:
positive pole (
○
+ pole) for EPS motor
• P2
:
negative pole (
○
- pole) for EPS motor
• P3
:
connected with a cable and transfers
signals to the ECU
• P4
:
connected with the steering torque
sensor, and supplies power to steering
torque sensor and accepts signals for
torque
• P5
:
connected with motor
4. Reducer
:
The reducer is installed on the frame of UTV.
A motor and steering torque sensor is also
installed on the reducer.
Outside view of reducer
5. Gear/rack type steering gear
UTV use gear/rack type steering gear to perform
steering function. Steering gear was fixed on
frame.
Installation position of steering as follows:
6. Electronic connectivity diagram of EPS
system
:
①
ECU (with waterproof metal box)
②
ECU split cable
③
Battery
④
Meter
⑤
Steering torque sensor
⑥
Motor
⑦
Speed sensor
⑧
Main switch
⑨
Fuse