Pinpoint Test Ah: The DRL Are Inoperative
WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
- AH1 VERIFY THE DRL OPERATION
- Place the gear selector lever in any gear other than PARK (P).
- Are the Daytime Running Lamps (DRL) illuminated?
- Yes: The system is operating correctly. INFORM the customer of the conditions required for the DRL to operate correctly.
- No: GO to AH2 .
- AH2 CHECK THE OPERATION OF THE HEADLAMPS
- Place the headlamp switch in the HEADLAMPS ON position and observe the headlamps.
- Do the headlamps operate correctly?
- Yes: GO to AH3 .
- No: REFER to HEADLAMPS .
- AH3 CHECK THE IGNITION SWITCH INPUT
- Place the headlamp switch in the OFF position.
- Enter the following diagnostic mode on the scan tool: SJB DataLogger.
- Monitor the SJB ignition switch PIDs (IGN_O_ECU, IGN_A_ECU, IGN_R_ECU, and IGN_S_ECU) while cycling the ignition switch through all its positions.
- Does the PID agree with the ignition switch positions?
- Yes: GO to AH4 .
- No: REFER to STEERING COLUMN SWITCHES to diagnose the input from the ignition switch.
- AH4 CHECK THE TRANSAXLE GEAR INPUT
- Enter the following diagnostic mode on the scan tool: PCM DataLogger.
- Monitor the PCM transmission gear status PID (TR) while placing the gear selector lever through all positions.
- Does the PID agree with the gear selection?
- Yes: GO to AH5 .
- No: REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 6F50/6F55 to diagnose the transmission range input.
- AH5 CHECK SJB FOR DRL CONFIGURATION
- Enter the following diagnostic mode on the scan tool: SJB Module Programming.
- Check the SJB configuration and make sure the DRL feature is enabled.
- Is the SJB DRL configuration enabled?
- Yes: INSTALL a new SJB . REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
- No: ENABLE the DRL configuration. TEST the system for normal operation.