OIL CONTROL VALVE (OCV) CONSTRUCTION/OPERATION [13B-MSP]


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Construction

•  The OCV is installed to the front cover (below the ignition coil bracket).
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•  The OCV consists of a spool valve that switches the passages for engine oil, a coil that moves the spool valve, a plunger, and a return spring.
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Operation

•  Based on the signals from the PCM, the spool valve inside the OCV moves up and down. With the up/down movement of the spool valve, the amount of oil supplied to the metering oil pump is controlled, and the oil pressure inside the metering oil pump is kept constant.
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•  For OCV control, refer to CONTROL SYSTEM, OIL PRESSURE CONTROL. (See OIL PRESSURE CONTROL OUTLINE [13B-MSP].)