General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Time (TFBI) from engine to F/B start	Poor connection. Improper coolant level Resistance of wire in ECT sensor circuit Faulty thermostat Faulty ECT sensor
Enable Conditions	MAF voltage > 1.3 V
Threshold value	TFBI 300 sec @ -9 °C (15.8 °F) 120 sec @ 7 °C (44.6 °F) 60 sec @ 82 °C (179.6 °F)
Diagnosis Time	300 sec
MIL On Condition	2 driving cycles