Vehicle Does Not Accelerate Accordingly When The Resume/Accel Button Is Pressed

Vehicle does not accelerate accordingly when the resume/accel button is pressed

Do the cruise control combination switch test Testing and Inspection.

Do the cruise control input test Component Tests and General Diagnostics.
Test the resume/accel switch signal input.

Check for PGM-FI DTCs How To Troubleshoot The Fuel And Emissions Systems (Except FFV Model).

Also check for

Open circuit, loose or disconnected terminals: ORN, GRY wire (with HandsFreeLink), WHT, GRY wire (without HandsFreeLink)