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Home >> Toyota >> 2019 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 115 (Engine Control System (A25A-FXS) (W/ Canister Pump Module) - Diagnostic Codes (02 Of 13)) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P0110-11: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground [02/2019 - 06/2020] >> Procedure
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DTC P0110-11: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground [02/2019 - 06/2020]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. READ VALUE USING TECHSTREAM (CHECK FOR SHORT IN WIRE HARNESS) 
    GTY851891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *1 Mass Air Flow Meter Sub-assembly
    *2 ECM
    1. Disconnect the mass air flow meter sub-assembly connector.
    2. Connect the Techstream to the DLC3.
    3. Turn the ignition switch to ON.
    4. Turn the Techstream on.
    5. Enter the following menus: Powertrain / Engine / Data List / Intake Air Temperature.

      Powertrain > Engine > Data List 

      Tester Display
      Intake Air Temperature
    6. According to the display on the Techstream, read the Data List.

      OK

      Techstream Display Specified Condition
      Intake Air Temperature -40°C (-40°F)

      HINT: 

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

      Refer to INITIALIZATION [02/2019 - 10/2019] , or refer to INITIALIZATION [10/2019 - 08/2020]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MASS AIR FLOW METER SUB-ASSEMBLY 

    Refer to REMOVAL [02/2019 - 08/2020]

    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
      C17-4 (THA) or C45-102 (THA) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [02/2019 - 08/2020]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR