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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 P2008, P2009, Or P2010: Intake Manifold Runner Control Valve Control Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On/Vehicle - In Service Mode
  2. Perform the scan tool control function: Intake Manifold Runner Control Valve - Increase & Decrease

    Verify the scan tool parameter:

    • Intake Manifold Runner Control Valve Control Circuit High Voltage Test Status = OK or Not Run
    • Intake Manifold Runner Control Valve Control Circuit Open Test Status = OK or Not Run
    • Intake Manifold Runner Control Valve Control Circuit Low Voltage Test Status = OK or Not Run
    • If not the specified state 

      Refer to Circuit/System Testing

    • Go to next step: If the specified state 
  3. Perform the scan tool control function: Intake Manifold Runner Control Valve - Increase

    Verify the scan tool parameter: Intake Manifold Runner Control Valve Feedback Signal = The value should not spike or drop out.

    • Perform the action while monitoring the parameter:
      • Wiggle the harness and connector: K20 Engine Control Module
      • Wiggle the harness and connector: M98 Intake Manifold Runner Valve Actuator
    • If the value spikes or drops out 

      Refer to: Circuit/System Testing

    • Go to next step: If the value does not spike or drop out 
  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.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to Circuit/System Testing

    • Go to next step: If the DTC is not set 
  5. All OK.