Brake Switch Signal
WARNING: This page is about a different car, the 1991 Acura Legend. However, it is still accessible from the selected car via links, so may be relevant.
- Connect ECU tester to ECU main harness; DO NOT connect tester to ECU. Check voltage between harness terminals D2 (positive) and A26 (negative).
- 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.