Signal Waveform&Data

1. Connect GDS and select Data Analysis.
2. After warming-up, check following items.
   Fig 1: Screen Display - Signal Waveform

   Courtesy of HYUNDAI MOTOR CO.
3. 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