LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC P0622: Generator F-Terminal Circuit >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

NOTE:

Do not have a battery charger connected during the generator testing.

  1. Engine running.
  2. Verify the scan tool Engine Control Module Generator F-Terminal Signal parameter is between 5-90%.
    • If not between 5-90% 

      Refer to Circuit/System Testing.

    • If between 5-90% 
  3. Verify the scan tool Generator F-Terminal Signal parameter changes when commanding the headlamps ON and OFF.
    • If the parameter does not change 

      Refer to Circuit/System Testing.

    • If the parameter changes 
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  5. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  6. All OK.
scientia non olet · About LEMON Manuals