DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [02/2019 - 06/2020]: Procedure
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION DTC P0125-00)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Trouble Codes.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTC P0125-00 is output A DTC P0125-00 and other DTCs are output B HINT:
If any DTCs other than P0125-00 are output, troubleshoot those DTCs first.
Result:
B
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [02/2019 - 10/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2019 - 06/2020]
Result:
A
See step 2
- INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
- Inspect the water inlet with thermostat sub-assembly (thermostat opening temperature).
Refer to INSPECTION [11/2018 - 12/2021]
Result
Proceed to OK NG
Result:
NG
REPLACE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY. Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020]
Result:
OK
See step 3
- Inspect the water inlet with thermostat sub-assembly (thermostat opening temperature).
- CHECK ENGINE COOLING SYSTEM
- Check for defects in the engine cooling system that might cause the system to be too cold, such as abnormal cooling fan operation or any modifications.
HINT:
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.
Refer to INITIALIZATION [02/2019 - 10/2019] , or refer to INITIALIZATION [10/2019 - 08/2020]
Result
Proceed to OK NG
Result:
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to REMOVAL [02/2019 - 08/2020]
Result:
NG
REPAIR OR REPLACE ENGINE COOLING SYSTEM
- Check for defects in the engine cooling system that might cause the system to be too cold, such as abnormal cooling fan operation or any modifications.