When the PCM detects an open in the HO2S(S1) heater control circuit, the PCM sets DTC P0030.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check | 1. Poor connection 2. Short to power in control circuit 3. HO2S (S1) |
Enable Conditions |
•
Engine speed is higher than 240rpm | |
Threshold Value |
•
Short to B+ | |
Diagnostic Time |
•
Continuous. | |
Mil On Condition |
•
3 driving cycles |
