Lincoln Aviator: Uni-Body, Subframe and Mounting System / Description and Operation - Frame Assembly - Overview
Overview
The front subframe is bolted to the body and is used to:
-
aid in structural support.
-
provide mounting surfaces for the steering gear.
-
provide mounting surfaces for the front suspension lower
control arms, the engine mounts and for the front stabilizer bar.
The rear subframe is bolted to the body and is used to:
-
aid in structural support.
-
provide mounting surfaces for the rear suspension lower arms and upper arms.
The transmission support crossmember is bolted to the body and is used to:
-
provide support to transfer case and transmission.
For body dimension specifications,
Refer to: Body and Frame (501-26 Body Repairs - Vehicle Specific Information and Tolerance Checks, Description and Operation).
Special Tool(s) /
General Equipment
303-050
(T70P-6000)
Lifting Bracket, Engine
303-F070Support Bar, EngineTKIT-1999A-F/LTTKIT-1999A-FM/FLM
Removal
NOTICE:
Suspension fasteners are critical parts that affect
performance of vital components and systems...
Other information:
System Diagram
Item
Description
1
SOBDMC/ISC (Inverter System Controller)
2
APIM
3
FCIM
4
BCM
5
BMS
6
DCDC
7
PCM
8
GWM
9
BECM
10
SOBDM/BCCM (Battery Charger Control Module)
11
EVSE (Electric Vehicle Supply Equipment)
12
High Voltage Battery
13
High Voltage Battery Junction Box
14
CSI (Charge Status Indicator)
System Operation
Network Message Chart — SOBDM
Broadcast Message
Originating Module
Message Purpose
High voltage battery state of charge (SOC)
BECM
Used to notify other vehicle modules that the high voltage battery has reached 100% SOC
High voltage battery charge status (not
ready, charge wait, ready, charging, charge complete, fault)
BECM
Used to transition the charger between charging and ready states
Vehicle operating mode
Inverter System Controller (ISC)
Vehicle must be in non-torque producing mode prior to charging
Low voltage support
PCM
Used to activate the low voltage output and support the low voltage system
Gear lever position
PCM
Used to determine transaxle gear state
Ambient air temperature
PCM
Ambient air temperature used for cooling strategy
Maximum current request
BECM
Used to limit and set target setpoint of charger
Maximum voltage request
BECM
Used to limit and set target setpoint of charger
Charge contactor open/close
BECM
High voltage battery charge contactor command
12V battery charge setpoint command
PCM
This message is used to set the 12V battery charging voltage...
Special Tool(s) /
General Equipment
Flat Headed Screw Driver
Removal
WARNING:
The following procedure prescribes critical repair steps
required for correct restraint system operation during a crash. Follow
all notes and steps carefully...