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Signal Waveform & Data

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

Fig 1: CVVT Operation 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 Set point ((2)) change → CVVT Valve Duty ((3)) change → Inlet CAM Position ((4)) change