CAMSHAFT OIL CONTROL VALVE ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE

   
   

   1. Connect the GTS to the DLC3.

   2. Start the engine.

   3. Turn the GTS on.

   4. Turn the A/C switch on.

   5. Inspect the camshaft timing oil control valve (for intake side).

      
      

      1. Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Linear (Bank 1).

      2. Check the engine speed while operating the camshaft timing oil control valve assembly (for intake side of bank 1) using the GTS.

         OK
         Tester Operation Specified Condition 0 deg (CA) Normal engine speed 36 deg (CA) Engine idles roughly or stalls

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

      3. Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Linear (Bank 2).

      4. Check the engine speed while operating the camshaft timing oil control valve assembly (for intake side of bank 2) using the GTS.

         OK
         Tester Operation Specified Condition 0 deg (CA) Normal engine speed 36 deg (CA) Engine idles roughly or stalls

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

   6. Inspect the camshaft timing oil control valve (for exhaust side).

      
      

      1. Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Exhaust Linear (Bank 1).

      2. Check the engine speed while operating the camshaft timing oil control valve assembly (for exhaust side of bank 1) using the GTS.

         OK
         Tester Operation Specified Condition 0 deg (CA) Normal engine speed 51 deg (CA) Engine idles roughly or stalls

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

      3. Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Exhaust Linear (Bank 2).

      4. Check the engine speed while operating the camshaft timing oil control valve assembly (for exhaust side of bank 2) using the GTS.

         OK
         Tester Operation Specified Condition 0 deg (CA) Normal engine speed 51 deg (CA) Engine idles roughly or stalls

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