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Home >> Toyota >> 2003 >> Avalon XLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self Diagnostics >> Diagnostic Tests >> DTC P0010: Camshaft Position "A" Actuator Circuit (Bank No. 1) & DTC P0020: Camshaft Position "A" Actuator Circuit (Bank No. 2) >> Circuit Description

Circuit Description

The variable valve timing (VVT) system controls the intake valve timing to proper timing in response to driving condition. The engine control module (ECM) controls the 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. Possible causes are:

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