LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2015 >> Spark LS, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.2L - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0628: Fuel Pump Relay Control Circuit >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool parameters listed below do not display Malfunction when commanding the Fuel Pump Relay On and Off.
    • Fuel Pump Relay Control Circuit Low Voltage Test Status
    • Fuel Pump Relay Control Circuit Open Test Status
    • Fuel Pump Relay Control Circuit High Voltage Test Status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing.

    • If Malfunction is not displayed 
  3. 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.
  4. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

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