PCM sets DTC P0136 if the PCM detects that the rear HO2S signal circuit is open.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical Monitoring | 1. Poor Connector Connection 2. Open in Downstream O2 Sensor Signal Circuit 3. Open in Downstream O2 Sensor Ground Circuit 4. Defected Downstream O2 Sensor |
Enable Conditions |
•
Downstream O2 Sensor operative readiness detected(Downstream O2 sensor voltage lower than 0.25V or higher than 0.56V & Downstream O2 sensor max heating finished)
•
Downstream Exhaust gas Temp. model higher than 842℉(450℃)
•
Downstream O2 sensor pre-heating phase finished
•
Battery voltage higher than 10 V and lower than 16 V
•
No relevant DTC present | |
Threshold Value |
•
Downstream O2 Sensor Voltage Higher than 0.37V or Lower than 0.48V and Downstream O2 Sensor Element resistance more than 60 kΩ | |
Diagnostic Time |
•
30 sec. | |
Mil On Condition |
•
2 Driving Cycle |
