Self Diagnostics Mode
The Self Diagnostics Mode gives you in-depth information about your engine and the actual numbers in digital. To use it, follow the steps:

Insert Key but do not turn it on
Press and hold the Trip Meter Reset Button
While holding the reset button, start your car and continue holding the button
Within 10 seconds, the display should change to "test" in LCD font and the needles will do a full sweeping. Release the Button
Pressing the button will now cycle through some 17 different modes

1.Shows a Gauge Sweep
2. Shows all 8's on the LCD (LCD TEST)
3. Illuminates all the bulbs on the dash
4. Displays hexadecimal value for ROM level
5. Displays the hexadecimal value for EE level
6. Shows DTC (Diagnostic Trouble Code)
7. Digital Speedometer - mph
8. Digital Speedometer - kph
9. N/A
10. Digital tachometer
11.Fuel volume
12. Engine coolant temperature
13. Battery voltage
14. ABS fail
15. Electronic brake distribution (EBD) failure
16. Illumination
17. Crank Sense