Trouble Shooting

WARNING: Vehicle is equipped with an air bag system. System must be disabled before working near steering column and instrument cluster to prevent air bag deployment. See appropriate AIR BAG RESTRAINT SYSTEMS article.

Ensure engine oil pressure is correct. Check engine oil level. Check for damaged speedometer drive or driven gear. Check for blown fuses, bad bulbs and loose or corroded connections. Check damaged wiring harness, damaged vehicle speed sensor and damaged instrument cluster printed circuit. If fault is evident, repair as necessary. If fault is not evident, repair by symptom. See SYMPTOM INDEX table under SYSTEM TESTS.