SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 643 (INTAKE AIR CONTROL SYSTEM)INTAKE AIR CONTROL SYSTEM (1MZ-FE/3MZ-FE)ON-VEHICLE INSPECTION
2004 Toyota Matrix XR, FWD, Standard

On-Vehicle Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION 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
    2. Connect the hand-held tester to the DLC3.
    3. Start the engine.
    4. 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)
    5. Move the shift lever to the P position.
    6. 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
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.