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.

2009 Acura CSX Base, AutomaticFACTORY OEM SERVICE PROCEDURE

ELD Replacement

Remove the ECM/PCM (see ECM/PCM REPLACEMENT ).
Remove the under-hood fuse/relay box (see REMOVAL AND INSTALLATION ).
Remove the screw (A).

Fig 1: Identifying Under-Hood Fuse/Relay Box Screw
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the housing over, then remove the screw (A).

Fig 2: Identifying Housing Screw
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the housing over again, using two flat-tip screwdrivers, release the tabs (A), and pry up the fuse/relay box base (B) from the fuse/relay box housing (C).
NOTE: Make sure the terminals (D) are not bent or damaged.

Factory Service Tools

Use the Manual With the Right Hardware

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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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