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.

NOTE:

The camshafts must be adjusted using the adjustment tool for the camshafts and crankshaft in the prescribed manner.

Other information

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.