The ECM determines when a rear HO2S heater fault occurs and sets DTC P0036 if measured rear HO2S resistance is lower than the predetermined threshold.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Heater circuit monitoring | 1. Poor connector connection 2. Faulty related fuse 3. Open/short in power circuit 4. Faulty downstream O2 Sensor |
Enable Condition |
•
10 sec. elapsed after upstream dew point end detected | |
Threshold Value |
•
Heater control circuit open | |
Diagnosis Time |
•
Continuous | |
MIL ON Condition |
•
3 driving cycles |
