toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Oil Control Valve <--> [Variable Valve Timing Actuator]|Testing and Inspection > < Diagram Information and Instructions|Page 1721
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Oil Control Valve: Description and Operation

CIRCUIT DESCRIPTION 

VVT system controls the intake valve timing to proper timing in response to driving condition. ECM controls OCV (Oil Control Valve) 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 the camshaft and the crankshaft.

Oil Control Valve <--> [Variable Valve Timing Actuator]|Testing and Inspection > < Diagram Information and Instructions|Page 1721