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Home >> Toyota >> 2004 >> Matrix Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 645 (Intake Air Control System) >> Intake Air Control System (1MZ-FE/3MZ-FE) >> On-Vehicle Inspection
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On-Vehicle Inspection

WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK INTAKE AIR CONTROL SYSTEM 
    1. Using a 3-way connector, connect a vacuum gauge to the actuator hose.
    2. Fig 1: Connecting Vacuum Gauge To Actuator Hose
      G02892347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the hand-held tester to the DLC3.
    4. Start the engine.
    5. On the hand-held tester, enter the ACTIVE TEST mode.

      Standard: 

      VACUUM REFERENCE CHART

      Switch Condition Vacuum
      VSV ON Approx. 27.6 kPa (200 mmHg, 7.9 in.Hg)
      VSV OFF 0 kPa (0 mmHg, 0 in.Hg)
    6. Move the shift lever to the P position.
    7. While operating the accelerator pedal, check open and closed status of the IAC valve No. 1 (IMZ-FE only) and No. 2.

      HINT:

      Values indicated in the illustration are for reference only. The throttle valve open position varies by engine speed.

      Fig 2: Engine Speed - Throttle Valve Open Position Graph
      G02892348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002