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Home >> Lexus >> 2008 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0111: Intake Air Temperature Sensor Gradient Too High >> Inspection Procedure
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Inspection Procedure

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

      Result 

      RESULT CHART

      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 

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