What does it mean when the 4w abs light is always on in the 1993 Mazda 929?

When the 4W ABS light is always on in a 1993 Mazda 929, it typically indicates a malfunction in the anti-lock braking system. This could be due to issues such as a faulty ABS sensor, a problem with the ABS control module, or low brake fluid levels. It's important to have the system diagnosed by a professional to ensure safe braking performance and to address any underlying issues. Ignoring the warning can lead to compromised braking effectiveness.