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.
Integrated Control Unit Input Test: Integra
Remove dashboard lower cover and knee bolster. Disconnect ICU 15-pin connector. Remove ICU from underdash fuse/relay box. Inspect connector terminals and ICU socket for damage. Test each circuit of ICU connector for continuity or voltage as indicated. See Fig 1 and Fig 2 . Correct any problems found. If no problems are found, replace ICU.
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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.