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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 P00E9: Intake Air Temperature (IAT) Sensor 3 Circuit Performance >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Verify that DTC P0097, P0098, P00EA, P00EB P0112, P0113, P0117, P0118, P0641, P0651, P0697, P06A3, P06D2 P1682, P16A7, P16BC or P2610 is not set.
    • Go to next step: If none of the DTCs are set 
    3. NOTE:

    To minimize the effects of residual engine heat and sensor internal heating elements, perform Steps 3 and 4 of this verification procedure only if the ignition has been OFF for 8 hours or more.

  3. Ignition ON.
  4. Verify the following scan tool parameters are within 30°C (54°F) of each other.
    • Start-Up IAT Sensor 1
    • IAT Sensor 2
    • IAT Sensor 3
    • If not within 30°C (54°F) 

      Refer to Circuit/System Testing below.

    • Go to next step: If within 30°C (54°F) 
  5. Engine idling, verify the following scan tool parameters are between: -38 and +149°C (-36 and +300°F).
    • IAT Sensor 1
    • IAT Sensor 2
    • IAT Sensor 3
    • If not between: -38 and +149°C (-36 and +300°F) 

      Refer to Circuit System Testing below.

    • Go to next step: If between: -38 and +149°C (-36 and +300°F) 
  6. 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.
  7. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing below.

    • Go to next step: If the DTC does not set 
  8. All OK
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