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Home >> Nissan-Datsun >> 2021 >> Altima SL, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Engine Control System (1 Of 3)) >> System Description >> Component Parts >> Variable Compression Ratio Control Module >> Functions Within The System

Functions Within The System

WARNING: This page is about a different car, the 2020 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.

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