DTC P00B1-15: Radiator Coolant Temperature Sensor Circuit Short to Battery or Open [04/2018 -]: Procedure

1. 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 [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 -] 

Result: 

OK 

See step  2

1. Disconnect the No. 2 engine coolant temperature sensor connector.
2. Disconnect the ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C42-2 - C55-129 (THTW)	Always	Below 1 Ω
   C42-1 - C55-130 (ETHT)	Always	Below 1 Ω
   C42-2 or C55-129 (THTW) - Other terminals	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 -] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR