HEAT grill to medium-high heat.
COMBINE first 5 ingredients.
GRILL wieners 7 to 9 min. or until heated through, turning occasionally. Cut lengthwise slits in wieners to within 1/2 inch of ends; fill with cheese. Grill, cheese-sides up, 1 min. or until cheese is melted.
FILL buns with wieners and mango mixture.