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Home >> Lexus >> 2013 >> ES 350 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P1604-U0101) & Circuit Tests) >> SFI System >> Active Control Engine Mount System >> Description
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Active Control Engine Mount System: Description

LOCATION 

Fig 1: Locating Active Control Engine Mount System
GTY319401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION

*1 Duty Vacuum Switching Valve (for Active Control Engine Mount) *2 Front Engine Mounting Insulator Assembly

The active control engine mount system decreases engine vibration at a low engine speed using the duty vacuum switching valve (for active control engine mount). The duty vacuum switching valve (for active control engine mount) is controlled by a pulse signal transmitted to the duty vacuum switching valve (for active control engine mount) from the ECM. The frequency of this pulse signal is matched to the engine speed to decrease engine vibration.