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Diagnostic Procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Step Inspection Action
1 PERFORM PCM DTC INSPECTION 
Yes Go to the applicable DTC inspection.
(See DTC TABLE [L5] .)
(See DTC TABLE [MZI-3.7] .)
No Go to the next step.
2 PERFORM INSTRUMENT CLUSTER DTC INSPECTION 
Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [L5] .)
(See PCM REMOVAL/INSTALLATION [MZI-3.7] .)
No Go to the next step.
3 VERIFY TROUBLESHOOTING COMPLETED 
Yes Replace the instrument cluster, then go to the next step.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
No Go to the next step.
4 VERIFY THAT NO OTHER DTCs ARE RECORDED 
  • Are any DTCs present?
Yes Go to the applicable DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER] .)
No DTC troubleshooting completed.