Intake Air Control System

INTAKE AIR CONTROL SYSTEM

ON-VEHICLE INSPECTION




1. INSPECT INTAKE AIR CONTROL FUNCTION
a. Remove the V-bank cover.
b. Set LEXUS hand-held tester to the DLC3.
c. Perform the ACTIVE TEST, then check that the actuator rod operates.
d. Start the engine.
e. Check that the VSV for ACIS is ON under the condition.
- Depressing the accelerator pedal to accelerator opening percentage 60%.
- Racing the engine above 4,700 rpm.

f. Check that the VSV for ACIS is OFF under the condition.
- The engine idling.
- Release the accelerator pedal when the condition of step (e).