Set Spd Doesn't Resume When Resume/Accel Button Pressed (Cruise Control Main Switch On, Set Speed Canceled Pressing Clutch
Set speed does not resume when the resume/accel button is pressed (with the cruise control main switch turned on, and set speed temporarily canceled by pressing the clutch pedal) (M/T model)
Do the cruise control combination switch test Service and Repair.
Do the cruise control input test Cruise Control (ECM/PCM) Input Test.
Test the resume/accel switch signal input.
Check for PGM-FI DTCs Initial Inspection and Diagnostic Overview.
Also check for
Open circuit loose or disconnected terminal: LT BLU, GRY wire