System Tests: Notes
WARNING: This page is about a different car, the 2002 Lincoln Navigator and 2002 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Electronic modules are sensitive to static electrical charges. Proper grounding of technician and component is essential to prevent damage.
A Digital Volt/Ohmmeter is needed to test autolamp system. Use wiring diagrams for wire color and terminal identification. See WIRING DIAGRAMS . After repairs are complete, ensure all components are properly installed and all harness connectors are properly connected. Recheck system operation.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| Both Headlights Inoperative | A |
| Low Beams Inoperative | B |
| High Beams Inoperative | C |
| One Low Beam Headlight Inoperative | D |
| One High Beam Headlight Inoperative | E |
| Headlights Always On | F |
| Autolamps Inoperative | G |
| Courtesy Lights Inoperative | H |
| Courtesy Lights Inoperative With One Door Open | I |
| Courtesy Lights Stay On | J |
| Illuminated Entry Inoperative With Remote | K |
| Battery Saver Components Inoperative | L |