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Home >> Jeep >> 2001 >> Cherokee Classic, 4WD, Part Time >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Brake Switch
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Brake Switch

When brake switch is pressed, PCM receives an input that the brakes are being applied. After receiving this input, the PCM will control idle speed using the Idle Air Control (IAC) motor. This input is also used to disable vent and vacuum solenoid for speed control servo.

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