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Inspection and Verification

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern by operating the daytime running lamps (DRLs) following these steps:
    1. Place the ignition switch in the RUN position.
    2. Place the headlamp switch in the OFF position.
    3. Apply and hold the brake pedal.
    4. Place the transmission in any gear other than PARK (P).
    5. If the DRL does not operate, make sure the lighting control module (LCM) is configured for DRL before proceeding to the next step.
  2. Carry out the continuous and on-demand self tests for the LCM.
    • If any DTCs are retrieved related to concern, refer to MULTIFUNCTION ELECTRONIC MODULES article to continue diagnosis of the LCM DTC.
    • If no DTCs are retrieved, go to Step  3.
  3. Verify the high beam operation.
    • Place the headlamp switch in the HEADLAMPS ON position.
    • Place the multifunction switch in the HIGH BEAM position.
      • If the high beams do not operate correctly, refer to Headlamps  to continue diagnosis of the high beam headlamps.
      • If the high beams operate correctly and the DRL operation is incorrect, install a new LCM. Refer to MULTIFUNCTION ELECTRONIC MODULES article. Test the system for normal operation.
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