Mitsubishi MOTORS Outlander 2007, Service Manual, Technical Information & Body Repair Manual Data

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The cam switching is carried out when the torque
produced in the low speed mode and the one
produced in the high-speed mode crosses each other
at an engine speed. An accumulator ensures oil
pressure at the instant of switching and prevents
switching mistakes. The oil passage is divided into two, one for the intake
rocker shaft and the other for the exhaust rocker shaft,
just in front of the oil control valve (OCV). Oil is always
supplied to the exhaust rocker shaft.
Oil supply to the intake rocker shaft is controlled by
ON/OFF of the oil control valve (OCV) and carries out
the switching for the low, middle and high lift cams.
ZK602603
Oil control
valve filter
AA00
Rocker arm piston
T-lever
Power train control
module(PCM)
Oil control
valve <OFF>
When the OCV is in the OFF position, the switch-over
piston does not operate because the switch-over oil
pressure within the intake rocker shaft is below the specified pressure, and so the wing of the T-lever
does not reach the switch-over piston. Accordingly,
the intake valve is driven by the rocker arm for low and
middle lift cam.
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