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

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

Check for PGM-FI DTCs Initial Inspection and Diagnostic Overview.

Do the cruise control combination switch test Cruise Control Combination Switch Test.

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

Also check for

Open circuit, loose or disconnected terminals: LT GRN/BLK, BLU wire