850 T-5R L5-2.3L Turbo VIN 58 B5234T5 (1995)
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maintain the vacuum in the intake manifold at a permissible level;
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improve the quality of combustion and, as a result, that of the exhaust emissions;
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control the engine braking torque and, as a result, the rate at which the engine speed is permitted to fall.
IAC Valve
The IAC valve is of a new type with a linear characteristic, The valve consists of the following components:
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Inlet (1)
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Outlet (2)
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Rotor (3)
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Permanent magnet (4)
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Valve head (5)
The valve rotor (3) is equipped with an opening and a closing coil, and with a permanent magnet (4). The ECM delivers pulsed ground signals to
both coils. Depending on the character of the control signals, the rotor operates a rotating valve head (5), which regulates the flow of air through
the outlet (2).