Component Tests and General Diagnostics

To enter the instrument cluster self-test press E/M and
If the instrument cluster displays:
- only the top and bottom two coolant temperature gauge display bars, diagnose the coolant temperature gauge system.
- only the top and bottom two fuel gauge display bars, diagnose the fuel gauge system.
- only the bottom engine temperature gauge display bars, diagnose the engine temperature gauge system.
- CS or CO, diagnose the fuel level sender input circuitry.
- error in the odometer display, diagnose the speedometer/odometer circuitry.

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