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The modulator control the speed of the crankshaft of the engine idling (ISC)
The modulator control the speed of the crankshaft of the engine idling is provided with two coils, which are managed by individual driver stage engine control unit. Depending on the pulse supplied to them, balance the magnetic forces of the two coils results in different angles of rotation of the modulator. The modulator is installed in the air passage that bypasses the throttle. Due to the transmission of additional air modulator adjusts the engine speed to idle. Check | - Disconnect the connector from the modulator frequency control idling.
- Measure the resistance between the connector terminals. Resistance between terminals 1 and 2: 10,5-14 Ohm resistance between terminals 2 and 3: 10-12.5 ohms at 20 ?� C.
- Connect to the modulator frequency control idling.
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