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Signal Waveform & Data

Connect GDS and select Data Analysis.
After warming-up, check following items.

Fig 1: CVVT Signal Waveform
Courtesy of HYUNDAI MOTOR CO.
Data analysis
- A Sector: CVVT works
- B Sector: Limp Home Mode (CVVT doesn't work.)
- CVVT Control Flow (A Sector)
  : Acceleration pedal (1) shift → Engine RPM change → Camshaft Position Setpoint (2) change → CVVT Valve Duty (3) change → Inlet CAM Position (4) change