DTC P0115-11: Engine Coolant Temperature Sensor 1 Circuit Short to Ground [11/2016 - ]: Procedure

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the engine coolant temperature sensor connector.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Turn the Techstream on.
5. Enter the following menus: Powertrain / Engine / Data List / Coolant Temperature.

   Powertrain > Engine > Data List 

   Tester Display
   Coolant Temperature

6. Read the value displayed on the Techstream.

   Standard value

   -40°C (-40°F)

   HINT: 

   Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.

   Refer to INITIALIZATION [11/2016 - ]

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ENGINE COOLANT TEMPERATURE SENSOR. 

Refer to  REMOVAL [11/2016 - ] 

Result: 

NG 

See step  2

1. Disconnect the 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
   C66-2 or C1-101 (THW) - Body ground and other terminals	Always	10 kΩ or higher

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. 

Refer to  REMOVAL [11/2016 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR