1.5 SOHC

1.5 SOHC DETECTING CONDITION

Item		Detecting Condition	Possible cause
Monitoring Strategy		Rationality check	Open in signal and ground circuit Short to battery in control circuit Faulty HO2S Faulty PCM Poor connections between HO2S and PCM Misplaced, bent, loose or corroded terminals.
Case 1	Threshold value	Sensor voltage: 0.06~0.4V
	Enable Conditions	Downstream O2 sensor voltage > 0.5 V
	Diagnostic time	8 sec
Case 2	Threshold value	Sensor voltage: 0.6-1.08V
	Enable Conditions	Downstream O2 sensor voltage < 0.1 V
	Diagnostic Time	10 sec
Fail Safe		None