On-Vehicle Inspection

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT INTAKE AIR CONTROL VALVE ASSEMBLY
1. Inspection procedure when using the intelligent tester:
  1. Warm up the engine.
  2. Stop the engine.
  3. Connect the intelligent tester to the DLC3.
  4. Turn the engine switch on (IG).
  5. Turn the tester on.
  6. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / INTAKE CTL VSV1. Press the right or left button.
    
    Fig 1: Connecting Intelligent Tester To DLC3
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. Make sure that a clicking sound is heard from the intake air control valve when current flows. If the result is not as specified, replace the intake air surge tank.