Checking components

For the variable valve timing control to work, the engine oil must be at the correct level, of the correct grade and free of contaminants.

Check the level and quality of the engine oil. Check for contaminants in particular.

Adjust the camshaft settings.

Other information: 

• To adjust the camshaft position (CMP), see: Camshaft seal/variable valve timing (VVT) unit, replacing

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Camshaft Position Angle

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Continue 

  Refer to Verification