Initial Inspection and Diagnostic Overview
1. Verify the customer concern by operating the system in question.2. Visually inspect the components of the instrument cluster.
Mechanical
- Damaged engine oil filter.
- Damaged oil pump.
- Damaged vehicle speed sensor gear.
- Door adjustment.
- Low engine oil level.
- Stuck coolant temperature gauge needle.
- Stuck oil pressure gauge needle.
- Tripped Inertia Fuel Shutoff Switch (IFS).
- Low washer fluid level.
Electrical
- Blown fuse(s).
- Damaged miniature bulbs.
- Damaged wiring harness.
- Loose or corroded connections.
- Damaged Vehicle Speed Sensor (VSS).
- Damaged instrument cluster.
- Loose, corroded, damaged, or missing ground straps.
3. Verify that the following systems are working properly:
- Charging system.
- Fuel system.
- Safety belt warning chime.
- Turn signals.
- Headlamps.
- Anti-theft.
If the system(s) is (are) not working properly, CHECK the defective system and REPAIR as necessary.
4. Check the wiring harness for obvious signs of shorts, opens, bad connections, or damage.
5. If the concern is not visually evident, determine the symptom and proceed to the Symptom Charts. Symptom Related Diagnostic Procedures