Variable Compression Ratio Actuator
FUNCTIONS WITHIN THE SYSTEM
The compression rate of engine is changed according to the signal from VCR control module.
INDIVIDUAL FUNCTION WITHIN THE SYSTEM
VCR actuator is operated according to the signal from ECM. The current angle of VCR control shaft 2 is fed back to ECM.
VCR motor
VCR motor rotates VCR control shaft according to the control signal of VCR control module.
VCR motor rotation angle sensor
VCR motor rotation angle sensor send the rotation angle signal of VCR control shaft 2 to VCR CU. (This signal is utilized to drive VCR motor.)
VCR control shaft 2 rotation angle sensor
When Ignition switch is ON position, VCR control shaft 2 rotation angle sensor reads the position of VCR control shaft 2. (Reading position is utilized as the trouble diagnosis for VCR motor rotation angle sensor.)
INDIVIDUAL OPERATION
VCR actuator is operated according to the signal from ECM. The current angle of VCR control shaft 2 is fed back to ECM.
COMPONENT LOCATION
The VCR actuator is installed to the engine left side.