Variable Valve Timing System Malfunction Bank 1
– Valve timing
– Oil control valve
– Variable Valve Timing controller assembly
– Control Module ( )
timing or the current valve timing is fixed.
Variable Valve Timing (VVT) system controls the intake valve timing to proper timing in response to driving condition. The Engine Control Module (ECM) controls Oil Control Valve (OCV) to make the intake valve timing properly, and, oil pressure controlled with OCV is supplied to the VVT controller, and then, VVT controller changes relative position between theand the crankshaft.