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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls And Fuel - 2.0L (LTG) - Diagnostic Information And Procedures (P0010 - P0333)) >> Diagnostic Information And Procedures >> DTC P0231, P0232 Or P023F: Fuel Pump Control Circuit >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON.
  2. Verify the fuel pump turns ON and OFF when commanding the Fuel Pump Enable On and Off with a scan tool.
    • If the fuel pump does not turn ON and OFF 

      Refer to Circuit/System Testing below.

    • Go to next step: If the fuel pump turns ON and OFF 
  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 below.

    • Go to next step: If the DTC does not set 
  5. All OK.
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