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.
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HOMESERVICE MANUALSACURA2003MDX TOURINGREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMIDLE CONTROL SYSTEMPCM IDLE LEARN PROCEDURENOTES
2003 Acura MDX Touring
PCM Idle Learn Procedure: Notes
2003 Acura MDX TouringSECTION Notes
The idle learn procedure must be done so the PCM can learn the engine idle characteristics.
Do the idle learn procedure whenever you do any of these actions:
- Replace PCM.
- Reset PCM.
- Update PCM.
- Replace or clean the throttle body.
NOTE:
Erasing DTCs with the HDS does not require you to do the idle learn procedure.
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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.