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.

2004 Acura RSX Base, AutomaticFACTORY OEM SERVICE PROCEDURE

2002-2004 models

Disconnect the negative cable from the battery.
Remove the passenger's dashboard lower cover (A) (see PASSENGER'S DASHBOARD LOWER COVER REMOVAL/INS ).

Fig 1: Removing Passenger's Dashboard Lower Cover
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the ECM/PCM mounting bolts (B) and the ECM/PCM (C).
Install the ECM/PCM in the reverse order of removal.
Reconnect the negative cable to the battery.
Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).

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.