Diagnostic Aids
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Thoroughly check wiring and connectors. Malfunction is likely to be caused by an short to ground or voltage or by an open or high resistance in driver-side front end discriminating sensor circuit.
NOTE:
For circuit number and wire color identification, see WIRING DIAGRAMS .