CAMSHAFT OIL CONTROL VALVE ON-VEHICLE INSPECTION

PROCEDURE

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 (Bank1) or Control the VVT Exhaust Linear (Bank1).

      
      Powertrain > Engine and ECT > Active Test

      Tester Display
      Control the VVT Linear (Bank1)

      
      Powertrain > Engine and ECT > Active Test

      Tester Display
      Control the VVT Exhaust Linear (Bank1)

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

      Standard Condition
      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

      If the operation is not as specified, check the camshaft timing oil control valve assembly, wire harness and ECM.