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Home >> Lexus >> 2017 >> GX 460 Base >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Circuit Tests) (2 Of 2) >> SFI System >> ACIS Control Circuit [08/2015 - ] >> Description
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ACIS Control Circuit [08/2015 - ]: Description

This circuit opens and closes the Intake Air Control Valve (IACV) in response to the engine load in order to increase the intake efficiency (ACIS: Acoustic Control Induction System).

Fig 1: Intake Air Control Valve (IACV) Description Diagram
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