FixVault

General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy Signal check, stuck in high range Poor connection
IATS
ECTS
ECM
Case1 Enable Conditions Cold start detected
Threshold Value Coolant temp at cranking - intake temp at cranking > 30°C (54°F)
Case2 Enable Conditions No block heater detected
Threshold Value Intake temp at cranking - coolant temp at cranking > 20°C (36°F)
Case3 Enable Conditions Cooling without external fan was detected during soaking
Threshold Value Coolant temp at cranking - intake temp at cranking > [20°C(36°F)+the final difference during after-run]
MIL ON Condition 2 driving cycle