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Home >> Acura >> 1991 >> Legend Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Control System >> Brake Switch Signal

Brake Switch Signal

  1. Connect ECU tester to ECU main harness; DO NOT  connect tester to ECU. Check voltage between harness terminals D2 (positive) and A26 (negative).
  2. Depress 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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