ABS Warning Light Flashes
WARNING: This page is about a different car, the 1994 Mazda MX-3. However, it is still accessible from the selected car via links, so may be relevant.
Check for continuity between terminal TBS and terminal GND of Data Link Connector (DLC). See Fig 1 . If continuity does not exist, check ABS control unit. If continuity exists, check for short between terminal TBS and terminal GND of DLC.