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Home >> Lexus >> 2019 >> LS 500 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System - Diagnostic Codes (03 Of 14) >> SFI System >> DTC P00AA-2A: Intake Air Temperature Sensor 1 Bank 2 Signal Stuck in Range; DTC P0110-2A: Intake Air Temperature Sensor 1 Bank 1 Signal Stuck in Range [12/2017 - 09/2019] >> Procedure
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DTC P00AA-2A: Intake Air Temperature Sensor 1 Bank 2 Signal Stuck in Range; DTC P0110-2A: Intake Air Temperature Sensor 1 Bank 1 Signal Stuck in Range [12/2017 - 09/2019]: Procedure

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P00AA-2A OR P0110-2A) 
    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 / Trouble Codes.
    5. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTC P00AA-2A or P0110-2A and other DTCs are output A
      DTC P00AA-2A or P0110-2A is output B

      HINT: 

      • If any DTCs other than P00AA-2A or P0110-2A are output, troubleshoot those DTCs first.
      • Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly.

        Refer to INITIALIZATION [12/2017 - 10/2020]

    Result: 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2017 - 09/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2018 - 09/2019] 

    Result: 

    REPLACE MASS AIR FLOW METER SUB-ASSEMBLY. Refer to  REMOVAL [12/2017 - ]