DTC Description

DTC DETECTION LOGIC

DTC		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
P01F0	00	Coolant temperature (Coolant temperature relapsed below diagnostic monitoring temperature)	Diagnosis condition	After engine warmed up Vehicle speed is more than 60km/h (37 MPH) and no fuel cut
			Signal (terminal)	Engine coolant temperature sensor signal
			Threshold	When the engine coolant temperature is lower than threshold value, after vehicle is driven at 60km/h (37 MPH) or more for certain period. Make sure that the engine is warmed up to normal operating temperature before driving. Make sure that the engine is warmed up to normal operating temperature before driving.
			Diagnosis delay time	40 seconds or more

POSSIBLE CAUSE

FAIL-SAFE

Not applicable

DTC Confirmation Procedure

note	Never refuel before and during the following procedure.

1.CHECK DTC PRIORITY

If DTC P01F0 is displayed with DTC P0116, P0117, P0118, or P0128, first perform the trouble diagnosis for DTC P0116, P0117, P0118, or P0128.

Is other DTC detected?

Perform diagnosis of applicable. Refer to DTC Index

2.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

3.PERFORM DTC CONFIRMATION PROCEDURE

With M.U.T.-III SE

Start engine and warm it up to the normal operating temperature.
Maintain the hold vehicle speed at more than 60 km/h (37 MPH) for at least 40 consecutive seconds.
caution Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws.
note Keeping the accelerator pedal as steady as possible at approximately more than 1/8.

Is DTC detected?

-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident

-2Confirmation after repair: INSPECTION END