Lincoln Aviator: Exterior Lighting / Removal and Installation - Headlamp Control Module (HCM)
Removal
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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.
Refer to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).
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Position back the front carpet.
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Disconnect the electrical connector, remove the screws and the HCM.
Torque:
28 lb.in (3.2 Nm)
Installation
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To install, reverse the removal procedure.
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Using a diagnostic scan tool, complete the PMI process for the HCM following the on-screen instructions.
Refer to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
LH side shown, RH side similar.
Remove the front bumper cover...
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Front suspension mounted
Remove the LH front wheel and tire assembly...
Other information:
Check
NOTICE:
The vehicle should not be driven if the transmission fluid level is low. Internal failure could result.
NOTE:
If the vehicle has been operated for an extended period at
high highway speeds, in city traffic, during hot weather or while
pulling a trailer, the transmission fluid must cool down to obtain an
accurate reading...
System Operation
Fuel Systems
The fuel system supplies the fuel injectors with clean fuel at a controlled pressure. The PCM controls the fuel pump and monitors the fuel pump circuit. The PCM
controls the fuel injector ON/OFF cycle duration and determines the
correct timing and amount of fuel delivered...