Q3: Does it diagnose all the fault code from my car?
A3: the ELM327 can only work on vehicle's engine system, it can read fault code from engine only.
       Not work with ABS, airbag, or transmission etc., fault codes.


Function:

1. Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).
2. Clear trouble codes and turn off the MIL ("Check Engine" light)
3. Display current sensor data, including:
4. Engine RPM
5. Calculated Load Value
6. Coolant Temperature
7. Fuel System Status
8. Vehicle Speed
9. Short Term Fuel Trim
10. Long Term Fuel Trim
11. Intake Manifold Pressure
12. Timing Advance
13. Intake Air Temperature
14. Air Flow Rate
15. Absolute Throttle Position
16. Oxygen sensor voltages / associated short term fuel trims
17. Fuel System status
18. Fuel Pressure
19. Many others