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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P0016 - P049D)) >> Diagnostic Information And Procedures >> DTC P0046, P2598, Or P2599: Turbocharger Boost Control Position Performance >> 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. Verify DTC P0045, P0047, P0048, P2564, P2565 is not set.
    • Go to next step: If the DTC is not set 
  3. Verify the scan tool parameter: Turbocharger Vane Position Sensor = 0-5%
    • If not in the specified range 

      Refer to: Circuit/System Testing

    • Go to next step: If in the specified range 
  4. Clear the DTCs.
  5. Engine - Idling
  6. Verify the scan tool parameter: Turbocharger Vane Position Sensor = 90-100%
    • If not in the specified range 

      Refer to: Circuit/System Testing

    • Go to next step: If in the specified range 
  7. Perform the scan tool control function: Turbocharger Vane Position - From 20 to 80% and back to 20%.

    Verify the difference between the following parameters is less than 3%:

    • Desired Turbocharger Vane Position
    • Turbocharger Vane Position Sensor
    • If the difference is greater than 3% 

      Refer to: Circuit/System Testing

    • Go to next step: If the difference is less than 3% 
  8. 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 
  9. All OK.