Checking Components

For variable valve timing control to operate correctly the engine oil must be at the correct level, of the correct quality and not contaminated.

Check the engine oil level and quality. 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