Lincoln Aviator 2020-2026 Service Manual / Chassis / Steering System / Power Steering / Description and Operation - Power Steering - Overview
Lincoln Aviator: Power Steering / Description and Operation - Power Steering - Overview
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.
Description and Operation - Adaptive Steering - System Operation and Component Description
System Operation
System Diagram
Item
Description
1
SECM
2
ECU
3
Private CAN
4
IPMA
5
SIMA
6
PSCM
7
GWM
8
Locking solenoid
9
SASM
10
BCM
11
PCM
12
IPC
13
SUMA
14
RCM
15
Motor
16
HVAC module
17
APIM
Network Input Message Chart
SECM Network Input Messages
Broadcast Message
Originating Module
Message Purpose
Active front steering request
PSCM
Requests steering angle changes for stability control events...
Description and Operation - Power Steering - System Operation and Component Description
System Operation
System Diagram
Item
Description
1
EPAS gear
2
EPAS motor
3
EPAS position sensor
4
EPAS torque sensor
5
PSCM
6
GWM
7
PCM
8
IPC
9
BCM
10
RCM
11
ABS
12
IPMB
13
IPMA
14
PAM
15
SASM
16
SCCM
17
SUMA
Network Message Chart
PSCM Network Input Messages
Broadcast Message
Originating Module
Message Purpose
Anti-lock brake control activated
ABS module
Informs the PSCM an anti-lock brake event is taking place...
Other information:
Lincoln Aviator 2020-2026 Service Manual: Description and Operation - High Voltage System Health and Safety Precautions - Overview
WARNING: Service of the high voltage system on this vehicle is restricted to qualified personnel. The required qualifications vary by region. Always observe local laws and legislative directives regarding electric vehicle service. Failure to follow this instruction may result in serious personal injury or death...
Lincoln Aviator 2020-2026 Service Manual: Diagnosis and Testing - Transmission Cooling
Diagnostic Trouble Code (DTC) Chart Diagnostic Trouble Code Chart Module DTC Description Action PCM P1783:00 Transmission Overtemperature Condition:No Sub Type Information GO to Pinpoint Test B PCM P2681:00 Engine Coolant Bypass Valve A Control Circuit/Open:No Sub Type Information GO to Pinpoint Test A PCM P2683:00 Engine Coolant Bypass Valve A Control Circuit High:No Sub Type Information GO to Pinpoint Test A Inspection and Verification NOTICE: When internal wear/damage occurs in the transmission, metal particles, clutch plate material and band material can travel into the torque converter, the transmission fluid cooler tubes, the transmission fluid cooler, the transmission fluid warmer (if equipped), and the cooler bypass valve (if equipped)...
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Fastening the Seatbelts
The front outboard and rear safety restraints in the vehicle are combination lap and shoulder belts.
Insert the belt tongue into the proper buckle (the buckle closest to the direction the tongue is coming from) until you hear a snap and feel it latch. Make sure that you securely fasten the tongue in the buckle.
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