Circuit Description
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
The instrument panel cluster (IPC) contains a momentary switch that controls the trip odometer reset and trip season display options. The IPC monitors the circuit voltage levels and detects when the trip odometer reset switch has been depressed.