Lincoln Nautilus: Exterior Lighting / Headlamp Control Module (HCM). Removal and Installation
Removal
NOTE:
Removal steps in this procedure may contain installation details.
-
NOTE:
This step is only necessary if the HCM is being replaced.
NOTE:
If installing a new module, it is necessary to
upload the module configuration information to the scan tool prior to
removing the module. This information must be downloaded into the new
module after installation.
NOTE:
If the HCM did not respond to the diagnostic scan tool, As-Built Data may need to be entered as part of the repair.
Using a diagnostic scan tool, begin the PMI process for the HCM following the on-screen instructions.
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Remove the push pins, disconnect the electrical connector and remove the RH dash insulator panel.
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Remove the headlamp control module.
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Remove the headlamp control module bracket bolts and the headlamp control module.
Torque:
80 lb.in (9 Nm)
-
Disconnect the headlamp control module electrical connector.
Installation
-
To install, reverse the removal procedure.
-
Using a diagnostic scan tool, complete the PMI process for the HCM following the on-screen instructions.
Removal
Remove the headlamp assembly.
Refer to: Headlamp Assembly (417-01 Exterior Lighting, Removal and Installation).
Remove the screws and position the ballast...
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
If installing a new module, it is necessary to
upload the module configuration information to the scan tool prior to
removing the module...
Other information:
System Operation
Headlamps
System Diagram
Item
Description
1
HS-CAN2
2
BCM
3
LH low beam
4
LH high beam
5
RH low beam
6
RH high beam
7
SCCM
8
LH steering column multifunction switch
9
IPMA
10
GWM
11
HS-CAN1
12
Start/Stop switch
13
HCM
14
LIN
..
System Diagram
Item
Description
1
PCM
2
BCM
3
Direct Current/Alternating Current (DC/AC) Inverter
4
A/C Power Outlet Socket
System Operation
Network Message Chart
Broadcast Message
Originating Module
Message Purpose
Power pack torque status
PCM
Used to dete..
Categories

Camera.
Radar sensor (if equipped).
If a message regarding a blocked sensor or
camera appears in the information display,
something is obstructing the radar signals or
camera images. The radar sensor is behind
the fascia cover in the center of the lower
grille. With a blocked sensor or camera, the
system may not function, or performance
may reduce. See Pre-Collision Assist –
Information Messages.
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