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:
Check
NOTE:
Perform the following pre-checks to make sure module programming completes without errors.
Start the programming session in Key OFF, Engine OFF and prior to initiating programming, turn to KOEO .
Make sure the vehicle battery is fully charged or is
connected to a battery charger. The battery state of charge should be
12.6 - 13.6 volts during vehicle programming.
..
Removal
NOTE:
LH side shown, RH side similar.
NOTE:
Removal steps in this procedure may contain installation details.
Remove the front door window regulator and motor.
Refer to: Front Door Window Regulator and Motor (501-11 Glass, Frames and Mechanisms, Removal and Installation).
Remove the front door upper moulding.
Refer to: Front Door Upper Moulding (501-08 Exte..