DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Ignition efficiency monitoring during catalyst heating	Poor connector connection Deposit intake or exhaust system Vacuum leaks Faulty throttle body
Enable Conditions	Catalyst heating activation for more than 4s Barometric pressure is higher than 74.5kPa Vehicle speed is 0Km/h (0mph) Engine load is higher than 55%
Threshold Value	Average value of deviation between actual ignition efficiency and target ignition efficiency is higher than 40% for 10s
Diagnostic Time	10s
MIL ON Condition	2 driving cycles