Solenoid, Multiple Displacement: Description

The Multi Displacement System (MDS) selectively deactivates cylinders 1, 4, 6, and 7 to improve fuel economy. It has two modes of operation:

• 8 cylinders for acceleration and heavy loads
• 4 cylinders for cruising and city traffic

The main components of the Multi Displacement System are:

• Unique MDS camshaft
• Deactivating roller lifters
• 4 control valve solenoids
• Control valve solenoid wiring harness
• Oil temperature sensor