Lincoln Nautilus: Power Steering / Power Steering - Overview. Description and Operation
Overview
The EPAS
system provides steering assist by replacing the conventional
hydraulic valve system with a steering gear equipped with an integrated
electrical motor and PSCM . The motor operation and level of steering assist provided is controlled by the PSCM .
Overview
The
adaptive steering system changes the steering ratio between the
steering wheel and the road wheels dynamically, thereby reducing the
number of steering wheel turns required to turn the road wheels...
System Operation
System Diagram
Item
Description
1
SECM
2
IPMA
3
ABS module
4
PSCM
5
GWM
6
ECU
7
Adaptive steering motor
8
Adaptive steering locking solenoid
9
SASM
10
BCM
11
PCM
12
IPC
13
SCCM
14
RCM
Network Input Message Char..
Other information:
Acceptable Noise, Vibration and Harshness (NVH)
Noise is any undesirable sound, usually unpleasant in nature. Vibration
is any motion, shaking or trembling, that can be felt or seen when an
object moves back and forth or up and down. Harshness is a ride quality
issue where the vehicle's response to the road transmits sharply to the
customer. Harshness normally describes a firmer than usua..
Special Tool(s) /
General Equipment
Door Lift
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
LH side shown, RH side similar.
Open the door.
Remove the check arm bolt.
Torque:
18 lb.ft (25 Nm)
Disconnect the rear door electrical connector.
..