CAMSHAFT OIL CONTROL VALVE ON-VEHICLE INSPECTION

INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

1. Connect the intelligent tester to the DLC3.

2. Start the engine.

3. Turn the intelligent tester on.

4. Inspect the oil control valve (for intake camshaft).

   
   

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

   2. Operate the oil control valve using the intelligent tester, and then check the engine speed.

      Standard Condition
      Control Range Specified Condition OFF Normal engine speed ON Rough idle or engine stalls (soon after oil control valve switched from OFF to ON)

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

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

   4. Operate the oil control valve using the intelligent tester, and then check the engine speed.

      Standard Condition
      Control Range Specified Condition OFF Normal engine speed ON Rough idle or engine stalls (soon after oil control valve switched from OFF to ON)

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

5. Inspect the oil control valve (for exhaust camshaft).

   
   

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

   2. Operate the oil control valve using the intelligent tester, and then check the engine speed.

      Standard Condition
      Control Range Specified Condition -100% Normal engine speed 100% Rough idle or engine stalls (soon after oil control valve switched to 100%)

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

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

   4. Operate the oil control valve using the intelligent tester, and then check the engine speed.

      Standard Condition
      Control Range Specified Condition -100% Normal engine speed 100% Rough idle or engine stalls (soon after oil control valve switched to 100%)

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