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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P040B - P204D)) >> Diagnostic Information And Procedures >> DTC P12A6: Fuel Pump Driver Control Module Enable Circuit Performance >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition On.
  2. Verify scan tool parameter Fuel Pump Speed is greater than 0 RPM within 30 s of turning On ignition.
    • If Fuel Pump Speed is 0 RPM 

      Refer to Circuit/System Testing.

    • Go to next step: If Fuel Pump Speed is greater than 0 RPM 
  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.

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