OBDII Code List

P0626 MAZDA - Generator Field Terminal Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty battery
  • Generator drive belt missing or loose
  • Faulty Generator
  • Generator harness is open or shorted
  • Generator circuit poor electrical connection

Tech notes

If the battery is OK then the alternator is more than likely the problem.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0626 Mazda Description

The powertrain control module (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.
OBDII Code P0626 Mazda - Generator Field Terminal Circuit High -

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