PCM/ECM sets DTC P0136 if the PCM/ECM detects that the rear HO2S signal circuit is open.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage range check | 1. Open in signal harness 2. Open in ground harness 3. Poor connection or damaged harness 4. Faulty Heated O2 Sensor (HO2S) |
Enable Conditions |
•
O2 Sensor operative readiness
•
O2 Sensor preheating and full heating phases finished
•
No relevant failure
•
10V < Battery voltage < 16V | |
Threshold Value |
•
0.37 < Downstream O2 Sensor voltage < 0.49V & sensor element resistance > 60kΩ | |
Diagnostic Time |
•
30 sec. | |
Mil On Condition |
•
2 Drive Cycles |