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DTC P0626: Notes

DTC P0626 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0626 Generator field terminal circuit high
DETECTION CONDITION 
  • The PCM monitors generator load from the generator/regulator in the form of frequency. The concern indicates the input is higher than the load should be in normal operation. The load input could be high when a battery short to ground exists.
POSSIBLE CAUSE 
  • Open circuit in wiring harness between generator terminal RC and PCM terminal 2S
  • Short to power supply between generator terminal RC and PCM terminal 2S
  • Short to power supply between generator terminal LI and PCM terminal 2AG
  • Connector or terminal malfunction
G04969297Courtesy of MAZDA MOTORS CORP.