Removal (GS300 & IS300)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
Oil Control Valve (OCV) is located on left front of cylinder head and has a Black 2-pin connector. Turn ignition off. Remove upper timing belt cover (No. 3 cover). Disconnect OCV connector. Remove bolt, OCV and "O" ring.