Ford Idle Air Control (ISC-BPA) Solenoid Cutaway Schematic - Bronco IAC Valve

This document is a schematic illustration of a Ford idle air control style solenoid valve, shown in two views. The upper portion is an external color rendering of the complete solenoid valve assembly, including its electrical connector and mounting bracket/flange. The lower portion is a cutaway cross-section drawing showing the internal construction of the unit. Four callouts identify the major elements: the SOLENOID (the electromagnetic coil section at the left, behind the electrical connector), the VALVE BODY (the housing at the right containing the air passages and valve pintle), the INLET (ATMOSPHERE) port on the underside, and the OUTLET (MANIFOLD VACUUM) port also on the underside. Arrows within the cutaway indicate the airflow path: air enters at the atmospheric inlet, passes through the internal valve chamber controlled by the solenoid-actuated plunger, and exits through the outlet toward manifold vacuum. A reader can learn from this diagram how the solenoid section actuates the valve to meter atmospheric air into the intake manifold, which is how an idle speed control / air bypass solenoid regulates engine idle. The document contains no part numbers, year, model, wire colors, or specifications, only the labeled component illustration.