On-Vehicle Inspection

1. Inspection procedure when using the hand-held tester
   1. Warm up the engine.
   2. Stop the engine.
   3. Connect the hand-held tester to the DLC3.
   4. Turn the ignition 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.
   7. Make sure that a clicking sound is heard from the intake air control valve when current flows.
      Fig 1: Identifying Intake Air Control Valve Assy

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If the result is not as specified, replace intake air surge tank.