Component Tests: Notes
WARNING: This page is about a different car, the 2002 Lincoln Navigator, 2002 Ford Expedition, 2001 Lincoln Navigator, and 2001 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When battery is disconnected, vehicle computer and memory system may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
NOTE:
Before performing following tests, ensure all switch grounds, wiring, and fuses are okay. Also, ensure all circuit connections are clean and tight. For ignition switch circuit identification, see POWER DISTRIBUTION in appropriate WIRING DIAGRAMS article in ELECTRICAL. For multifunction switch circuit identification, see EXTERIOR LIGHTS in appropriate SYSTEM WIRING DIAGRAMS article in ELECTRICAL.