Conditions for Running the DTC

WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.

The low beam headlamps operate at reduced intensity when in daytime running lamps (DRL) mode. The DRL relay is soldered into the underhood fuse block circuit board. The ground circuit to the switch side or the DRL relay has a resistor in-line to reduce the intensity of the low beam headlamps for DRL operation. The body control module (BCM) receives a signal from the ambient light sensor indicating a low or high ambient outside light level. Under daylight conditions the BCM grounds the DRL relay control circuit energizing the DRL control relay. The now closed relay supplies ground directly to the low beam headlamps now illuminate with reduced intensity. The DRL relay is ground at G203. Any time the headlamps are illuminated the DRL will not illuminate. Manual park lamps do not effect DRL operation.