On-Vehicle Inspection

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT INTAKE AIR CONTROL VALVE ASSEMBLY

Fig 1: Identifying Intake Air Control Valve Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 ignition switch to the ON position.
  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.
  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.