LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2017 >> LaCrosse Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 3.6L (LGX) - DTC P0446 To DTC P3436 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P12A6: Fuel Pump Driver Control Module Enable >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC P12A6 is not set.
    • If DTC P12A6 is set 

      Refer to Circuit/System Testing.

    • If DTC P12A6 is not set 
  3. Verify the parameters listed below do not display Malfunction when commanding the Fuel Pump Enable On and Off with a scan tool.
    • Fuel Pump Enable Circuit Low Voltage Test Status
    • Fuel Pump Enable Circuit Open Test Status
    • Fuel Pump Enable Circuit High Voltage Test Status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing.

    • If Malfunction is not displayed 
  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 DTC P12A6 does not set.
    • If DTC P12A6 sets 

      Refer to Circuit/System Testing.

    • If DTC P12A6 does not set 
  6. All OK.
scientia non olet · About LEMON Manuals