General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item	Detecting Condition	Possible Cause
DTC Strategy	Circuit low input	Short to ground in signal harness Contact resistance in connections. Faulty ECT sensor
Enable Conditions	Battery voltage > 10V Time after start (if intake air temperature < -30°C (-22°F)): 600 sec.
Threshold Value	Measured coolant temperature > 138°C (280.4°F)
Diagnostic Time	5 sec. Continuous
Fail Safe