DTC P0110-11: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground [06/2018 - 08/2020]: Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- READ VALUE USING TECHSTREAM (CHECK FOR SHORT IN WIRE HARNESS)
*1 Mass Air Flow Meter Sub-assembly *2 ECM - Disconnect the mass air flow meter sub-assembly connector.
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Data List / Intake Air Temperature.
Powertrain > Engine > Data List
Tester Display Intake Air Temperature - 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 [06/2018 - 07/2019] , or refer to INITIALIZATION [07/2019 - 08/2020]
Result
Proceed to OK NG
Result:
OK
REPLACE MASS AIR FLOW METER SUB-ASSEMBLY. Refer to REMOVAL [06/2018 - ]
Result:
NG
See step 2
- CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER SUB-ASSEMBLY - ECM)
- Disconnect the mass air flow meter sub-assembly connector.
- Disconnect the ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C18-4 (THA) or C88-102 (THA) - Body ground and other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [06/2018 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR