DTC P0110-11: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground [03/2022 - 03/2023]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.
- READ GTS (CHECK FOR SHORT IN WIRE HARNESS)
*1 Mass Air Flow Meter Sub-assembly *2 ECM - Disconnect the mass air flow meter sub-assembly connector.
- According to the display on the GTS, read the Data List.
Powertrain > Engine > Data List
Tester Display Intake Air Temperature OK
GTS 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 [11/2021 - ]
Result
Proceed to OK NG
Result:
OK
REPLACE MASS AIR FLOW METER SUB-ASSEMBLY. Refer to REMOVAL [11/2021 - ]
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 B20-4 (THA) or B50-102 (THA) - Body ground and other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [11/2021 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR