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Home >> Acura >> 1989 >> Integra LS, 2D Hatchback, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation - 4-CYL >> Computerized Engine Controls >> Input Devices >> Brake Switch Signal
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Brake Switch Signal

This signals the ECU when the brake pedal is depressed. Input is used by ECU for idle speed control.