Daytime Running Lamp Control Unit: Testing and Inspection
DRL CONTROL MODULE INSPECTION1. Measure the voltage at the DRL control module terminals as indicated below.
2. Disconnect the DRL control module connector before inspecting for continuity at terminal 1E.
3. If not as specified, inspect the pans listed under "Inspection area" and the related wiring harnesses.
4. If the parts and wiring harnesses are okay but the system still does not work properly, replace the DRL control module.