Titan 4WD V8-5.6L (VK56DE) (2006)
Heater Control Valve: Testing and Inspection
Manual Air Conditioner
Water Valve Circuit
COMPONENT DESCRIPTION
Water Valve
The water valve (1) cuts the flow of engine coolant to the front heater cores to allow for maximum cooling during A/C operation. It is controlled by the
front air control.
Diagnostic Procedure For Water Valve (Steps 1 - 2)