Protege, Protege5 & 626
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, 2002 Mazda MX-5 Miata, and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect neutral switch. Using ohmmeter, check continuity between switch terminals. Ensure continuity is present with transmission in Neutral position (button on switch is pushed) and is not present in any other gear. Replace switch as necessary.