Mazda OBD II diagnostic interface pinout diagram @ pinoutsguide.com
Pinout of Mazda OBD II diagnostic interfaceused in Mazda's produced after 1996 ... Pin Signal Description 2 J1850 Bus+ 3 LS CAN Hi Low speed (125Kb) CAN bus. This bus used for some IC, RFA and other units. 4 CGND Chassis ground...