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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Battery, Charging System And Starting System (12-Volt) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0625 or P0626: Generator F-Terminal >> Circuit/System Verification

Circuit/System Verification

  1. Engine running.
  2. Verify the scan tool Generator F-Terminal Signal Circuit parameter changes between 5 and 99%.
    • If the parameter does not change 

      Refer to Circuit/System Testing.

    • If the parameter changes 
  3. All OK.