DTC P0115-2A: Engine Coolant Temperature Sensor 1 Signal Stuck in Range [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota RAV4, 2024 Toyota RAV4, 2023 Toyota RAV4, 2022 Toyota RAV4, and 2021 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0115-2A)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Trouble Codes.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTC P0115-2A is output A DTC P0115-2A and other DTCs are output B HINT:
If any DTCs other than P0115-2A are output, troubleshoot those DTCs first.
Result:
B
GO TO DTC CHART
Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]
Result:
A
See step 2
- INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
- Inspect the water inlet with thermostat sub-assembly (thermostat opening temperature).
Refer to INSPECTION [12/2021 - ]
HINT:
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.
Refer to INITIALIZATION [12/2021 - 11/2024] , or refer to INITIALIZATION [11/2024 - ]
Result
Proceed to OK NG
Result:
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR
Refer to REMOVAL [10/2022 - ]
Result:
NG
REPLACE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
Refer to REMOVAL [10/2022 - ]
- Inspect the water inlet with thermostat sub-assembly (thermostat opening temperature).