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On-Vehicle Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Warm up the engine.
    2. Turn the engine switch off.
    3. Connect the Techstream to the DLC3.
    4. Turn the engine switch on (IG).
    5. Select the following menu items: Powertrain / Engine and ECT / Data List / Control the VVT Linear (Bank 1), Control the VVT System (Bank 1), Control the VVT Linear (Bank 2), Control the VVT System (Bank 2), Control the VVT Exhaust Linear (Bank 1) and Control the VVT Exhaust Linear (Bank 2).

      Specified condition

      Tester Operation Specified Condition
      OCV OFF Normal engine speed
      OCV ON Engine idles roughly or stalls soon after OCV is switched from OFF to ON

      If the result is not as specified, check the oil control valve and wirings.

      HINT: 

      • Control the VVT System (Bank 1): Command to activate oil control valve of bank 1 (Control range: ON/OFF).
      • Control the VVT System (Bank 2): Command to activate oil control valve of bank 2 (Control range: ON/OFF).
      • Control the VVT Linear (Bank 1): Command to activate exhaust and intake side oil control valves of bank 1 (Control range: Between -128 to 127%).
      • Control the VVT Linear (Bank 2): Command to activate exhaust and intake side oil control valves of bank 2 (Control range: Between -128 to 127%).
      • VVT Exhaust Linear (Bank 1): Command to activate exhaust side oil control valve of bank 1 (Control range: Between -128 to 127%).
      • VVT Exhaust Linear (Bank 2): Command to activate exhaust side oil control valve of bank 2 (Control range: Between -128 to 127%).
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