DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [09/2022 - ]: Procedure
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- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION DTC P0125-00)
- 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
Result:
A
See step 2
- Read the DTCs.
- INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
- Inspect the water inlet with thermostat sub-assembly (thermostat opening temperature).
Refer to INSPECTION [09/2022 - ]
Result
Proceed to OK NG
Result:
NG
REPLACE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY. Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]
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.
Result
Proceed to OK NG HINT:
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.
Refer to INITIALIZATION [09/2022 - ]
Result:
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to REMOVAL [09/2022 - ]
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.