On-Vehicle Inspection

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT INTAKE CONTROL VALVE ASSY NO. 2
1. Check the operation.
  1. Using a 3-way connector, connect the vacuum gauge to the actuator hose as shown in the illustration.
    
    Fig 1: Using A 3-Way Connector, Connecting Vacuum Gauge To Actuator Hose
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Connect the hand-held tester to the DLC3.
  3. Start the engine.
  4. Turn the hand-held tester switch ON.
  5. Select the item "DIAGNOSIS/ENHANCED OBD II/ACTIVE TEST/INTAKE CTL VSV1" and operate the VSV for AICS.
    
    Fig 2: Tester Specification
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    Fig 3: Connecting Hand-Held Tester To DLC3
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the operation is not as specified, replace the intake air control valve No. 2.