Circuit Description
WARNING: This page is about a different car, the 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
Variable Valve Timing (VVT) system controls intake valve timing in response to driving conditions. Engine Control Module (ECM) controls VVT Oil Control Valve (OCV) to ensure correct valve timing. OCV is located in cylinder head, at timing chain side of engine. Oil pressure controlled by VVT OCV is supplied to VVT controller. VVT controller then changes relative position between camshaft and crankshaft. VVT controller is located on front of intake camshaft.