Trouble Code Description Notes

*: Detected when ignition switch in on (Engine stopped)
*1: Indicates the applicable item in On-Board System Readiness Test defined by CARB
*2: California emission regulations applicable models.
*3: Except for California emission regulations applicable models
*4: Indicates the DTC set originally by Mazda (other than On-board System Readiness Tests defined by CARB)
*5: Except for Federal emission regulations applicable MTX models