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.
1995 Acura 2.5TLFACTORY 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 D12 (positive) and A26 (negative). See Figure .
- Depress brake pedal. If battery voltage exists, switch is okay. If battery voltage does not exist, repair open in Green/White wire and ECM terminal D12.
NOTE:
Fast idle thermovalve is factory adjusted and should not be disassembled.
Factory Service Tools
Use the Manual With the Right Hardware
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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.