DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Check lambda signal amplitude - slow response	Poor connection Faulty HO2S Faulty ECM
Enable Condition	Upstream HO2S operative readiness is detected (Sensor tip temperature is greater than 680°C (1256°F) or heater maximum heating or normal heating for 30s) HO2S forced stimulation is active P042000 (catalyst diagnosis) monitoring is active P013300 diagnosis is synchronized with P042000 monitor Battery voltage is between 11V and 16V
Threshold Value	Integral (lambda signal amplitude measured/lambda signal amplitude of a slow sensor) is greater than 1
Diagnostic Time	17 fuel trim controller cycles
MIL ON Condition	2 driving cycles