DTC P0115-15: Engine Coolant Temperature Sensor 1 Circuit Short to Battery or Open [11/2023 - ]: Procedure
WARNING: This page is about a different variant/trim than selected.
- READ VALUE USING GTS (CHECK FOR OPEN IN WIRE HARNESS)
*1 Engine Coolant Temperature Sensor *2 ECM *a Front view of wire harness connector
(to Engine Coolant Temperature Sensor)- - - Disconnect the engine coolant temperature sensor connector.
- Connect terminals 1 (E2) and 2 (THW) of the engine coolant temperature sensor connector on the wire harness side.
- According to the display on the GTS, read the Data List.
Powertrain > Engine > Data List
Tester Display Coolant Temperature OK
GTS Display Specified Condition Coolant Temperature Higher than 135°C (275°F) HINT:
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.
Refer to INITIALIZATION [10/2021 - ]
Result
Proceed to OK NG
Result:
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR
Refer to REMOVAL [11/2023 - ]
Result:
NG
See step 2
- CHECK HARNESS AND CONNECTOR (ENGINE COOLANT TEMPERATURE SENSOR - ECM)
- Disconnect the 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 C40-2 (THW) - C55-125 (THW) Always Below 1 Ω C40-1 (E2) - C55-124 (ETHW) Always Below 1 Ω C40-2 (THW) or C55-125 (THW) - Other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM
Refer to REMOVAL [11/2023 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
