Signal Waveform & Data

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

Fig 1: Continuously Variable Valve Timing Characteristics Waveform
Courtesy of KIA MOTORS AMERICA, INC.
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