FixVault
Home
›
Acura
›
1989
›
Integra LS, 2D Hatchback, Automatic
›
Repair and Diagnosis (Single Page)
›
Engine Performance
›
Theory and Operation
›
Theory/Operation - 4-CYL
›
Computerized Engine Controls
›
Input Devices
›
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.