toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 3815 > < Component Tests and General Diagnostics|Page 3813
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Inspection Using Generic OBDII Scan Tool

IACV Control VSV Circuit 

CIRCUIT 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). 

Component Tests and General Diagnostics|Page 3815 > < Component Tests and General Diagnostics|Page 3813