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Home >> Lexus >> 2015 >> IS 250 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (4GR-FSE) - Diagnostic Codes (1 Of 5) >> SFI System >> DTC P0111: Intake Air Temperature Sensor 1 Circuit Range / Performance [04/2013 - 08/2015] >> Procedure
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DTC P0111: Intake Air Temperature Sensor 1 Circuit Range / Performance [04/2013 - 08/2015]: Procedure

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

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTC P0111 and other DTCs are output A
      DTC P0111 is output B

      HINT: 

      • If any DTCs other than P0111 are output, troubleshoot those DTCs first.
      • Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly.

        Refer to INITIALIZATION [04/2013 - 08/2015]

    Result: 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2013 - 06/2014]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2014 - 08/2015] 

    Result: 

    REPLACE MASS AIR FLOW METER SUB-ASSEMBLY. Refer to  REMOVAL [04/2013 - 08/2015]