WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
Use the chart below to verify the symptoms of the trouble in order to diagnose the appropriate area.
Fig 1: Automatic Transaxle Symptom Troubleshooting Chart (1 Of 2)
Courtesy of MAZDA MOTORS CORP.
Fig 2: Automatic Transaxle Symptom Troubleshooting Chart (2 Of 2)