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Home >> Toyota >> 2009 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System (1AR-FE) - Circuit Testing, Component Inspection, Removal & Installation) >> Camshaft Timing Oil Control Valve Assembly >> On-Vehicle Inspection

On-Vehicle Inspection

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Connect the Techstream to the DLC3.
    2. Start the engine and turn the Techstream on.
    3. Inspect the oil control valve (for intake camshaft).
      1. Enter the following menus: Powertrain/Engine/Active Test/Control the VVT System (Bank 1).
      2. Check the engine speed when the oil control valve is operated using the Techstream with the engine coolant temperature at 50°C (122°F) or less.

        HINT:

        • When performing the active test, the air conditioning should be on.
        • Engine coolant temperature when the engine is started should be 30°C (86°F) or less.

          Standard Condition 

          TESTER OPERATION CHART

          Tester Operation Specified Condition
          OCV is OFF Normal engine speed
          OCV is ON Soon after OCV switched from OFF to ON, engine idles roughly or stalls
    4. Inspect the oil control valve (for exhaust camshaft).
      1. Enter the following menus: Powertrain/Engine/Active Test/Control the VVT Exhaust Linear (Bank 1).
      2. Check the engine speed when the oil control valve is operated using the Techstream with the engine coolant temperature at 50°C (122°F) or less.

        HINT:

        • When performing the active test, the air conditioning should be on.
        • Engine coolant temperature when engine is started should be 30°C (86°F) or less.

          Standard Condition 

          TESTER OPERATION CHART

          Tester Operation Specified Condition
          100% Soon after OCV switched from OFF (-100%) to ON (+100%), engine idles roughly or stalls.
          -100% Normal engine speed