Symptom Troubleshooting [Automatic Transmission]: Foreword

• When the customer reports a vehicle malfunction, check the malfunction indicator lamp (MIL) indication, AT warning light flash, and diagnostic trouble code (DTC), then diagnose the malfunction according to following flowchart.
  • If a DTC exists, diagnose the applicable DTC inspection. (See DTC TABLE .)
  • If a DTC does not exist, the MIL does not illuminate and AT warning light illuminate, diagnose the applicable symptom troubleshooting. (See SYMPTOM TROUBLESHOOTING ITEM TABLE  )

Fig 1: Diagnostic Flow Chart

Courtesy of MAZDA MOTORS CORP.