DTC P00B1-11: Radiator Coolant Temperature Sensor Circuit Short to Ground [08/2020 - ]: 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.
- INSPECT NO. 2 ENGINE COOLANT TEMPERATURE SENSOR
- Inspect the No. 2 engine coolant temperature sensor.
Refer to PROCEDURE - Step 2
Result
Proceed to OK NG
Result:
NG
REPLACE NO. 2 ENGINE COOLANT TEMPERATURE SENSOR. Refer to REMOVAL [08/2020 - ]
Result:
OK
See step 2
- Inspect the No. 2 engine coolant temperature sensor.
- CHECK HARNESS AND CONNECTOR (NO. 2 ENGINE COOLANT TEMPERATURE SENSOR - ECM)
- Disconnect the No. 2 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 A79-2 or C40-129 (THW3) - Body ground and other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [08/2020 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR