DTC P00B1-15: Radiator Coolant Temperature Sensor Circuit Short to Battery or Open [11/2018 - 08/2020]: Procedure
WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 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 [11/2018 - 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 - C40-129 (THW3) Always Below 1 Ω A79-1 - C40-130 (ETW3) Always Below 1 Ω A79-2 or C40-129 (THW3) - Other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [11/2018 - 08/2020]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR