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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls And Fuel - 2.0L (LTG) - Diagnostic Information And Procedures (P0010 - P0333)) >> Diagnostic Information And Procedures >> DTC P0033, P0034, Or P0035: Turbocharger Bypass Solenoid Valve Control Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition On
  2. Verify a click is heard or felt from the Q40 Turbocharger Bypass Solenoid Valve when commanding the Turbocharger Bypass Solenoid Valve between Active and Inactive with a scan tool.
    • If a click is not heard or felt 

      Refer to Circuit/System Testing below

    • Go to next step: If a click is heard or felt 
  3. Verify the circuit status parameters listed below do not display Malfunction when commanding the Turbocharger Bypass Solenoid Valve between Inactive and Active with a scan tool:
    • Turbocharger Bypass Solenoid Valve Control Circuit High Voltage Test Status
    • Turbocharger Bypass Solenoid Valve Control Circuit Open Test Status
    • Turbocharger Bypass Solenoid Valve Control Circuit Low Voltage Test Status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing below

    • Go to next step: 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 a DTC does not set.
    • If a DTC sets 

      Refer to Circuit/System Testing below

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