DTC P0115-11: Engine Coolant Temperature Sensor 1 Circuit Short to Ground [08/2020 - ]: Procedure
WARNING: This page is about a different car, the 2021 Toyota Avalon. 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 Engine Coolant Temperature Sensor *2 ECM - Disconnect the engine coolant temperature sensor connector.
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Data List / Coolant Temperature.
Powertrain > Engine > Data List
Tester Display Coolant Temperature - According to the display on the Techstream, read the Data List.
OK
Techstream Display Specified Condition Coolant Temperature -40°C (-40°F) HINT:
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.
Refer to INITIALIZATION [08/2020 - ]
Result
Proceed to OK NG
Result:
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to REMOVAL [08/2020 - ]
Result:
NG
See step 2
- CHECK HARNESS AND CONNECTOR (ENGINE COOLANT TEMPERATURE SENSOR - ECM)
- Disconnect the engine coolant temperature sensor connector.
- Disconnect the ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C40-2 or C109-125 (THW) - Body ground and other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [08/2020 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR