| *1 | ECM | *2 | Vacuum Switching Valve (for Intake Air Control System) |
| *3 | Vacuum Tank | *4 | Throttle Valve |
| *5 | Intake Air Control Valve (for Intake Air Control System) | *6 | Air Cleaner Element |
| *7 | Resonator | *8 | Intake Manifold |
| *a | Engine Speed Signal | *b | Air |
| *1 | ECM | *2 | Vacuum Switching Valve (for ACIS) |
| *3 | Diaphragm Chamber | *4 | Check Valve |
| *5 | Vacuum Tank | *6 | Throttle Valve |
| *7 | Intake Air Control Valve (for ACIS) | *8 | Tumble Control Valve |
| *9 | Intake Air Control Valve Actuator (for TCV) | *10 | Intake Air Control Valve Position Sensor |