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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 P1307-P130A: Cylinder 1-4 Glow Plug Resistance >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition On.
  2. Verify DTC P037E, P037F, P066A-P066F, P0671-P0674, P067A or P067B is not set.
    • Go to next step: If a DTC P037E, P037F, P066A-P066F, P0671-P0674, P067A or P067B is not set 
  3. Ignition On.
  4. Using a scan tool perform the Glow Plug Self-Test while observing the following parameters.

    Verify that all parameters display OK or Not Run.

    • Cylinder 1, 2, 3 or 4 Glow Plug Control Circuit Open Test Status
    • Cylinder 1, 2, 3 or 4 Glow Plug Control Circuit High Voltage Test Status
    • Cylinder 1, 2, 3 or 4 Glow Plug Control Circuit Low Voltage Test Status
    • If specified state is not displayed 

      Refer to Circuit/System Testing.

    • Go to next step: If specified state is displayed 
  5. 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.

    • Go to next step: If a DTC does not set 
  6. All OK.
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