Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

1. Speedometer does not operate on its operation is incorrect.
- Check the speedometer cable.
- Check the speedometer.
2. Tachometer does not operate or its operation is incorrect.
- Check the tachometer.
3. Fuel gage does not operate or its operation is incorrect.
- Check the fuel gage.
- Check the fuel gage unit.
4. The low fuel warning light does not illuminate even if fuel in the fuel tank is less than 11 dm3 (2.9 gals).
- Check the warning light bulb.
- Check the fuel gage unit.
5. The engine coolant temperature gage does not operate or its operation is incorrect.
- Check the engine coolant temperature gage.
- Check the engine coolant temperature gage unit.
6. The illumination light does not illuminate or does not dim.
1. The tail lights illuminate.
- Check the rheostat.
2. The tail lights do not illuminate.
- Check dedicated fuse No. 5.
- Check the tail light relay.
- Check the lighting switch