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Home >> Toyota >> 2021 >> Sequoia TRD Pro >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (3UR-FE) - Circuit Tests (2 Of 2) >> SFI System >> ACIS Control Circuit [08/2017 - 08/2019] >> Description
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ACIS Control Circuit [08/2017 - 08/2019]: 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: ACIS Control Description
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