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.
1999 Acura 2.3CL AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| ABS Control Unit | Behind right kick panel. See Figure . |
| ABS Modulator Unit (2.3L) | On left front corner of engine compartment. |
| ABS Modulator Unit (3.0L) | On right front corner of engine compartment. |
| Climate Control Unit | Center of dash. See Figure . |
| Cruise Control Unit | Behind left side of dash. See Figure . |
| Daytime Running Lights (DRL) Control Unit (Canada) | Behind left side of dash, right of steering column. See Figure . |
| Electrical Load Detector (ELD) Unit (2.3L) | In underhood fuse/relay box. See Figure . |
| Electrical Load Detector (ELD) Unit (3.0L) | In underhood fuse/relay box. See Figure . |
| Engine Control Module (ECM) (2.3L M/T) | On underside of right front footrest. See Figure . |
| Integrated Control Unit | On rear of underdash fuse/relay box. See Figure . |
| Interlock Control Unit (A/T) | Behind left side of dash, right of steering column. See Figure . |
| Keyless/Security Control Unit | Below front passenger's seat. See Figure . |
| Moon Roof Control Unit | On center rear underside of roof. |
| Powertrain Control Module (PCM) (2.3L A/T) | On underside of right front footrest. See Figure . |
| Powertrain Control Module (PCM) (3.0L) | On underside of right front footrest. See Figure . |
| Power Seat Control Unit | On underside of driver's seat. |
| Radiator Fan Control Module | Behind right side of dash, on bottom of glove box. See Figure . |
| SRS Unit | Below center of dash. See Figure . |
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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