Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read Adaptive Front Lighting System (AFLS) Module DTCs and record on the repair order.
2. With the scan tool, erase DTCs.
3. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
4. With the scan tool, read AFLS Module DTCs.
  Did the DTC return?
  
  Yes
  - Go to 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE LEFT FRONT LAMP ASSEMBLY AND ADAPTIVE FRONT LIGHTING SYSTEM (AFLS) MODULE CONNECTIONS
1. Check for loose, damaged or corroded connections on the Left Front Lamp Assembly harness connector and Adaptive Front Lighting System (AFLS) Module harness connector.
  Are there any loose or damaged connections?
  
  Yes
  - Repair the connections as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go to 3
CHECK THE (D405) LIN BUS CIRCUIT FOR A SHORT TO GROUND
1. Check for a short to ground on the (D405) LIN Bus circuit between the Left Front Lamp Assembly harness connector and the Adaptive Front Lighting System (AFLS) Module harness connector.
  Is there a short to ground on the (D405) LIN Bus circuit?
  
  Yes
  - Repair the short to ground on the (D405) LIN Bus circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Left Front Lamp Assembly in accordance with the Service Information. Refer to UNIT, FRONT LAMP, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .