Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1993 Acura Integra GS-RFACTORY OEM SERVICE PROCEDURE
Brake Switch Signal
- Ensure stoplights operate properly. Connect ECM Test Harness (07LAJ-PT3010A ) to ECM main harness. DO NOT connect test harness to ECM. Measure voltage between test harness terminals D2 (positive) and A26 (negative). See Figure .
- Depress brake pedal. If battery voltage is present, switch is okay. If battery voltage is not present, repair open in Green/White wire and ECM terminal D2.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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