CAMSHAFT OIL CONTROL VALVE ON-VEHICLE INSPECTION


  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY


    1. Connect the GTS to the DLC3.

    2. Start the engine and turn the GTS on.

    3. Warm up the engine.

    4. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Linear (Bank 1), Control the VVT Linear (Bank 2), Control the VVT System (Bank 1), Control the VVT System (Bank 2), Control the VVT Exhaust Linear (Bank 1) or Control the VVT Exhaust Linear (Bank 2).

    5. Check the engine speed while operating the Oil Control Valve (OCV) using the GTS.

      OK
      Tester Operation Specified Condition
      OCV OFF Normal engine speed
      OCV ON Soon after OCV switched from OFF to ON, engine idles roughly or stalls

      If the result is not as specified, check the oil control valve, wiring and camshaft timing gear.

      Tech Tips


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

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

      • Control VVT System (Bank 1): Command to activate the oil control valve of bank 1 (Control range: ON/OFF).

      • Control VVT System (Bank 2): Command to activate the oil control valve of bank 2 (Control range: ON/OFF).

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

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