DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control [09/2015 - 09/2016]: Procedure
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0125)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Trouble Codes.
- Read DTCs.
Result
Display (DTC Output) Proceed to P0125 A P0125 and other DTCs B HINT:
If any DTCs other than P0125 are output, troubleshoot those DTCs first.
Result: B
B
GO TO DTC CHART
(Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - 09/2016] )
Result: A
A
See step 2
- INSPECT WATER INLET WITH THERMOSTAT
- Remove the water inlet with thermostat (Refer to REMOVAL [09/2015 - ] ).
- Check the valve opening temperature of the thermostat.
Standard
80 to 84°C (176 to 183°F)
HINT:
In addition to the above check, confirm that the valve is completely closed when the temperature is below the standard.
Result: NG
NG
REPLACE WATER INLET WITH THERMOSTAT
(Refer to REMOVAL [09/2015 - ] )
Result: OK
OK
See step 3
- CHECK COOLING SYSTEM
- Check for defects in the cooling system that might cause the system to be too cold, such as abnormal radiator fan operation or any modifications.
HINT:
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor (Refer to INITIALIZATION [09/2015 - ] ).
Result: OK
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR
(Refer to REMOVAL [09/2015 - ] )
Result: NG
NG
REPAIR OR REPLACE COOLING SYSTEM
- Check for defects in the cooling system that might cause the system to be too cold, such as abnormal radiator fan operation or any modifications.