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Home >> Lexus >> 2012 >> IS 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P014F)) >> 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 Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the tester on.
    4. Enter the following menus: Powertrain / Engine / Trouble Codes.
    5. Read DTCs.

      Result

      Display (DTC Output) Proceed to
      P0111 and other DTCs A
      P0111 B

      HINT: 

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

    B → REPLACE MASS AIR FLOW METER 

    A → GO TO DTC CHART