Normal Operation
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
When the instrument cluster detects a PARKING LAMPS ON or HEADLAMPS ON message, it sends a variable voltage to the climate control assembly through circuit 19 (LB/RD). The climate control assembly is grounded through circuit 57 (BK).
Possible Causes
- Circuit 19 (LB/RD) open
- Circuit 57 (BK) open
- Climate control assembly