B2500, B3000 & B4000
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1998 Mazda Protege, 1998 Mazda Millenia, 1998 Mazda MPV, 1998 Mazda B4000, and 1998 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
Connect scan tool to data link connector. Turn ignition on. Select ACTIVE COMMAND MODE, then OUTPUT TEST MODE. Press MODE button until ALL ON mode is displayed. Press START to operate fuel pump. Run fuel pump for 10 seconds, then turn off.