Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Intake System: System Diagram
SYSTEM DIAGRAM *1 Throttle Body with Motor Assembly *2 Intake Air Control Valve (for ACIS) *3 Intake Air Control Valve Actuator (for ACIS) *4 ECM *5 Vacuum Switching Valve (for ACIS) - - *a Engine Speed Signal *b from Vacuum Pump ...
