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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Control System (SFI) (M20A-FXS) - Diagnostic Codes (1 Of 6) (Hybrid)) >> SFI System >> DTC P0110-15: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open [10/2018 - ] >> Procedure

DTC P0110-15: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open [10/2018 - ]: Procedure

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  1. CHECK HARNESS AND CONNECTOR 
    GTY815935Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Front view of wire harness connector
    (to Mass Air Flow Meter Sub-assembly)

    HINT: 

    Make sure that the connector is properly connected. If it is not, securely connect it and check for DTCs again.

    1. Disconnect the mass air flow meter sub-assembly connector.
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      C11-4 (VCC) - C11-2 (E2G) Power switch on (IG) 4.8 to 5.2 V
      C11-1 (THA) - C11-2 (E2G) Power switch on (IG) 4.8 to 5.2 V
    4. Turn the power switch off and wait for at least 30 seconds.
    5. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C11-2 (E2G) - Body ground Power switch off Below 1 Ω
      C11-4 (VCC) - C11-1 (THA) Power switch off 2.565 to 2.835 kΩ

      HINT: 

      Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly.

      Refer to INITIALIZATION [10/2018 - 08/2021] Refer to INITIALIZATION [08/2021 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MASS AIR FLOW METER SUB-ASSEMBLY. Refer to  REMOVAL [10/2018 - ] 

    Result: 

    NG 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER SUB-ASSEMBLY - ECM) 
    1. Disconnect the mass air flow meter sub-assembly connector.
    2. Disconnect the ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C11-1 (THA) - C34-102 (THA) Always Below 1 Ω
      C11-2 (E2G) - C34-79 (E2G) Always Below 1 Ω
      C11-1 (THA) or C34-102 (THA) - Other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR