Car wiring diagrams: Acura Mdx Belt Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Get your Acura MDX fixed! Check recalls, learn about typical Acura MDX repairs and maintenance costs and find an honest mechanic..Auto Parts Warehouse has the largest selection of Acura MDX car parts and accessories for sale online. Lowest Price Guarantee on all products. Shop now!.Serpentine Belt using a Tensioner. The Serpentine Belt Diagram to the right uses a tensioner and is from a .L big block. Notice that the smooth side of the belt is .