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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Engine Controls And Fuel - 1.4L (LV7) - DTC P0351 To DTC P2544 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Fuel Pump Electrical Circuit Diagnosis >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  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. All OK.
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