Variable Valve Timing Mechanism Outline [Mzi-3.5]; Variable Valve Timing Mechanism Construction/Operation [Mzi-3.5]; Construction - Mazda CX-9 2007 Service Highlights

VARIABLE VALVE TIMING MECHANISM OUTLINE [MZI-3.5]

• A variable timing mechanism has been adopted which realizes optimum valve timing according to engine
operation conditions by continuously modifying the phases of the intake camshaft and crankshaft.
TORQUE
End Of Sie

VARIABLE VALVE TIMING MECHANISM CONSTRUCTION/OPERATION [MZI-3.5]

Construction

• The variable valve timing mechanism consists of the variable valve timing actuator, oil control valve (OCV),
input parts for vehicle conditions determination, and the PCM.
PCM
INPUT SIGNAL
01-10–10
MECHANICAL [MZI-3.5]
ENGINE WITH VARIABLE VALVE TIMING MECHANISM
LOW-MIDDLE SPEED
ENGINE
ENGINE SPEED
ELECTRONIC SIGNAL
HYDRAULIC PRESSURE
VARIABLE VALVE TIMING ACTUATOR
OCV
HIGH SPEED ENGINE
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