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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 167 (Engine Controls And Fuel - 3.6L (LGX LF4) - DTC P0650 To DTC P3436 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P3409, P3411, P3412, P3433, P3435, or P3436: Cylinder Deactivation Solenoid Valve Control (LGX) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify engine oil level and engine oil pressure are within the specified ranges. Refer to Oil Pressure Diagnosis and Testing
    • If not within specified ranges 

      Repair as necessary.

    • If within specified ranges 
    2. NOTE:

    DTC P3409, P3411, P3433, and P3435 will set with an open ignition circuit fuse.

  2. Engine idling.
  3. Verify the parameters listed below do not display Malfunction.
    • Cylinder 2 or 5 Deactivation Solenoid Valve Control Circuit High Voltage Test Status
    • Cylinder 2 or 5 Deactivation Solenoid Valve Control Circuit Open Test Status
    • Cylinder 2 or 5 Deactivation Solenoid Valve Control Circuit Low Voltage Test Status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing.

    • If Malfunction is not displayed 
  4. 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.
  5. Verify the DTC does not set.
    • If a DTC set 

      Refer to Circuit/System Testing.

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