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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2348 (Engine Control System - Component Testing) >> Electronic Controlled Engine Mount >> System Description
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System Description

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
ELECTRONIC CONTROLLED ENGINE MOUNT

Sensor Input Signal to ECM ECM function Actuator
Crankshaft position sensor (POS) Camshaft position sensor (PHASE) Engine speed Engine mount control Electronic controlled engine mount
Wheel sensor Vehicle speed(1)
(1) This signal is sent to the ECM through CAN communication line.

The ECM controls the engine mount operation corresponding to the engine speed and the vehicle speed. The control system has 2-step control [Soft/Hard]

ELECTRONIC CONTROLLED ENGINE MOUNT

Vehicle condition Engine mount control
Engine speed: Below 950 rpm Soft
Engine speed: Above 950 rpm Hard