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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> System Description >> Component Parts >> Variable Compression Ratio Control Module
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Variable Compression Ratio Control Module

FUNCTIONS WITHIN THE SYSTEM 

The compression rate of engine is changed according to the signal from VCR control module.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM 

The VCR actuator has a motor and an angle sensor as built-in parts and also has a link connected to the a shaft in the engine.

INDIVIDUAL OPERATION 

The compression rate of engine is changed according to changing angle of VCR control shaft which is rotated by VCR motor.

COMPONENT LOCATION 

VCR actuator is installed to front lower side of engine.