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Acura
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1989
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Integra LS, 2D Hatchback, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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Theory and Operation
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Theory/Operation - 4-CYL
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Computerized Engine Controls
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Input Devices
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Brake Switch Signal
Brake Switch Signal
This signals the ECU when the brake pedal is depressed. Input is used by ECU for idle speed control.