Function:

Performance gauges:
- Engine speed
- Corrected vehicle speed
- Open/closed loop
- Boost/vacuum combo gauge
- Acceleration (and braking)

Fuel economy gauges:
- Inst. fuel economy
- Avg fuel economy

Engine gauges:
- Timing (spark advance)
- Engine coolant temp.
- Intake air temp.
- Ambient air temp.
- Manifold absolute pressure
- Mass air flow
- Fuel trims, short and long term
- Percent engine load
- Catalyst temp.
- Fuel pressure
- Lambda gauge
- Air/fuel ratio
★ Diagnostic
[Diagnostic] function includes:
[Read DTC]: Read the current DTC that engine has stored, and DTC info.
[Clear DTC]: Clear all the current DTC.
[Display DTC Definition]: Show all the definition and explanation of DTCs.
[Guide Maintenance]:Guide how to maintenance the problems of car according to the trouble codes.
[Live data]: Read all the running parameters that related to the ECU.
[Freeze frame data]: OBD system will record the system running parameters related to the m