Titan 2WD V8-5.6L (VK56DE) (2006)
Inspection Flow
INSPECTION FLOW
SYSTEM DESCRIPTION
Component Parts
Air mix door control system components are:
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Front air control
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Air mix door motor (front)
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PBR (built-into air mix motor)
System Operation
The front air control receives data from the temperature selected by the driver. The front air control then applies a voltage to one circuit of the
appropriate air mix door motor (front), while ground is applied to the other circuit, causing the appropriate air mix door motor (front) to rotate. The
direction of rotation is determined by which circuit has voltage applied to it, and which one has ground applied to it. The front air control monitors the