toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Vehicle Speed Sensor > < Engine - MIL ON/DTC 1349 Set|Page 2434
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Variable Valve Timing Actuator Position Sensor: Description and Operation

Variable Valve Timing System

VVT system controls the intake valve timing to proper timing in response to driving condition. 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 the camshaft and the crankshaft.

Vehicle Speed Sensor > < Engine - MIL ON/DTC 1349 Set|Page 2434