Other information:
Description
Continuous Variable Valve Timing (CVVT) system advances or retards the valve
timing of the intake and exhaust valve in accordance with the ECM control signal
which is calculated by the engine speed and load.
By controlling CVVT, the valve over-lap or under-lap occurs, which makes better
fuel economy and reduces exhaust gases (NOx, HC) and improves engine performance
through reduction of pumping loss, internal EGR effect, improvement of combustion
stability, improvement of volumetric efficiency, and increase of expansion work...
System malfunction
After starting the engine, a beep will sound when the gear is shifted to R (Reverse)
to indicate the system is operating normally.
However, if one or more of the following occurs, first check whether the ultrasonic
sensor is damaged or blocked with foreign material...