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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0430 To DTC P2080) >> Diagnostic Information and Procedures >> DTC P0671, P0672, P0673 or P0674: Cylinder Glow Plug Control Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Using a scan tool observe the following parameters.

    Verify that NO parameters display Malfunction.

    • Cylinder 1, 2, 3 or 4 Glow Plug Control Open Test Status
    • Cylinder 1, 2, 3 or 4 Glow Plug Control High Voltage Test Status
    • Cylinder 1, 2, 3 or 4 Glow Plug Control Low 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 to verify the DTC does not set. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
    • If a DTC sets 

      Refer to Circuit/System Testing.

    • If a DTC does not set 
  4. All OK.
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