Brown pork cubes in hot skillet. Mix pork, carrots, broth and teriyaki sauce in 3 1/2-quart slow cooker; cover and cook on low for 7 to 8 hours.
Mix cornstarch with reserved pineapple juice; stir into pork mixture. Stir in pineapple and green pepper. Cover and cook on high 15 minutes or until thickened and bubbly.