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Home >> Lexus >> 2010 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0340) >> SFI System >> DTC P0111: Intake Air Temperature Sensor Gradient Too High >> Procedure
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DTC P0111: Intake Air Temperature Sensor Gradient Too High: Procedure

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0111) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Trouble Codes.
    5. Read the DTCs.

      Result

      Result Proceed to
      P0111 and other DTCs A
      P0111 B

      HINT: 

      If any DTCs other than P0111 are output, troubleshoot those DTCs first.

    B → See step   3 

    A → See step   2 

  2. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  3. REPLACE MASS AIR FLOW METER. Refer to  REMOVAL