Grand Marquis V8-4.6L Flex Fuel (2010)
No
REFER to Steering Column to diagnose the input from the ignition switch.
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AE4 CHECK THE TRANSMISSION GEAR INPUT
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Enter the following diagnostic mode on the scan tool: PCM DataLogger.
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Monitor the PCM transmission gear status PID (TR) while placing the gear selector lever through all positions.
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Does the PID agree with the gear selection?
Yes
GO to AE5.
No
REFER to Automatic Transmission/Transaxle &/or Transmission Control Systems to diagnose the transmission range input.
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AE5 CHECK THE LCM FOR DRL CONFIGURATION
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Enter the following diagnostic mode on the scan tool: LCM Module Programming.
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Check the LCM configuration and make sure the DRL feature is enabled.
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Is the LCM DRL configuration enabled?
Yes
INSTALL a new LCM. REFER to Body Control Systems. TEST the system for normal operation.
No
ENABLE the DRL configuration. TEST the system for normal operation.
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