Modulator of management of frequency of rotation of a cranked shaft of the engine idling (ISC)
The modulator of management is idling executed by frequency of rotation of a cranked shaft of the engine with two coils which cope separate setting cascades of the control unit the engine. Depending on an impulse submitted on them, balance of forces of a magnetic field of two coils brings to various angles of rotation of the modulator.
The modulator is established in the air channel which is making a detour of a butterfly valve. At the expense of a transmission of additional air the modulator regulates frequency of rotation of a cranked shaft of the engine idling.
Check
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Disconnect the socket from the modulator of management of frequency of idling.
Measure resistance between socket plugs. Resistance between plugs 1 and 2: 10,5–14 Ohm Resistance between plugs 2 and 3: 10–12,5 Ohm at 20°C.
Connect the socket to the modulator of management of frequency of idling.
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