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Home >> Acura >> 1992 >> Vigor LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Control System >> Engine Controls - System/Component Tests >> Brake Switch Signal
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Brake Switch Signal

  1. Ensure stoplights operate properly. Connect ECU tester to ECU main harness. DO NOT  connect tester to ECU. Measure voltage between harness terminals D2 (positive) and A26 (negative).
  2. Press brake pedal. If battery voltage is present, switch is okay. If battery voltage is not present, repair open in Green/White wire and ECU terminal D2.
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