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Home >> Infiniti >> 2024 >> QX55 Luxe >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> System Description >> System >> Active Torque Rod Control System >> System Description
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System Description

SYSTEM DIAGRAM 

GNSDB127044Courtesy of NISSAN NORTH AMERICA, INC.
Component parts Function
ECM ATR control module receives the engine speed signal via CAN communication.

SYSTEM DESCRIPTION 

The ATR control module controls the engine mount operation corresponding to the engine speed. The control system has a 2-step control [On/Off] ATR actuator in the active torque rod generates the antiphase vibration according to the vibration level signal from ATR control module to counteract the vibration of the torque rod. As a result, the vibration level from engine is decreased.

Vehicle condition Active torque rod control
When the engine speed is decreased from 3, 000 rpm to 2, 500 (Accelerator pedal is released) Off
Revving engine from 2, 000 rpm to 2, 500 rpm On