BRAKELIGHT Switch
WARNING: This page is about a different car, the 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, 2003 Mazda MPV, and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
MAZDA6 combines brake switch with brakelight switch. For brake switch testing refer to appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
Disconnect brakelight switch harness connector. Using ohmmeter, check continuity between brakelight switch terminals. With brake pedal released, continuity should not be present. With brake pedal depressed, continuity should be present. If continuity is not as specified, replace brakelight switch.