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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 1.8L (LUW, LWE) - DTC P0443 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0660, P0661 or P0662: Intake Manifold Tuning Control Valve Control Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine running.
  2. Verify a click is heard or felt from the Q22 Intake Manifold Tuning Solenoid Valve when commanding the Intake Manifold Tuning Control Valve Open and Closed with a scan tool.
    • If a click is not heard or felt 

      Refer to Circuit/System Testing

    • If a click is heard or felt 
  3. Verify the circuit status parameters listed below do not display Malfunction when commanding the Intake Manifold Tuning Control Valve Open and Closed with a scan tool:
    • Intake Manifold Tuning Control Valve Control Circuit High Voltage Test Status
    • Intake Manifold Tuning Control Valve Control Circuit Open Test Status
    • Intake Manifold Tuning Control 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.
    • If a DTC sets 

      Refer to Circuit/System Testing

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