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.
Body Computer System
The body computer system is controlled by the Integrated Control Unit (ICU). On all models, the ICU is located on the underdash fuse/relay box behind the left front kick panel. The ICU controls the functions of specific systems on the vehicle. Systems controlled by the ICU include the intermittent wiper system, seat belt reminder/key-in warning system, power window key-off timer (CL and TL models), lights-on reminder (CL and TL models), rear defogger circuit (Integra and CL models), engine oil pressure indicator flasher system, entry light timer (CL and TL models) and the brake system light bulb check (Integra).
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.