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Home >> Chevrolet >> 2015 >> Camaro LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 6.2L (L99 LS3 LSA) Or 7.0L (LS7) - DTC P0010 To DTC P0333) >> Diagnostic Information and Procedures >> DTC P0112 or P0113: Intake Air Temperature (IAT) Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Verify that DTC P0641 or P0651 is not set.
    • If the none of the DTCs are set 
      • 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 20°C (36°F) of each other.
    • Start-Up IAT Sensor 1
    • IAT Sensor 2
    • Start-Up ECT
    • If not within 20°C (36°F) 

      Refer to Circuit/System Testing.

    • If within 20°C (36°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
    • ECT Sensor
    • If not between: -38 and +149°C (-36 and +300°F) 

      Refer to Circuit/System Testing.

    • 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.

    • If the DTC does not set 
  8. All OK
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