CAMSHAFT OIL CONTROL VALVE ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

   
   

   1. for Intake Side:

      
      

      1. Connect the GTS to the DLC3.

      2. Start the engine.

      3. Turn the GTS on.

      4. Warm up the engine.

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

         
         Powertrain > Engine > Active Test

         Tester Display
         Control the VVT Linear (Bank1)

      6. Check the engine speed while operating the camshaft timing oil control valve assembly using the GTS.

         Specified Condition
         GTS Operation Specified Condition 0% Normal engine speed 100% Engine idles roughly or stalls

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

   2. for Exhaust Side:

      
      

      1. Connect the GTS to the DLC3.

      2. Start the engine.

      3. Turn the GTS on.

      4. Warm up the engine.

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

         
         Powertrain > Engine > Active Test

         Tester Display
         Control the VVT Exhaust Linear (Bank1)

      6. Check the engine speed while operating the camshaft timing oil control valve assembly using the GTS.

         Specified Condition
         GTS Operation Specified Condition 0% Normal engine speed 100% Engine idles roughly or stalls

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