If short to ground in signal circuit is detected, ECM/PCM sets DTC P0131.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electric check | 1. Poor connection 2. Short to ground in signal circuit 3. Upstream O2S |
Enable Conditions |
•
- | |
Threshold Value |
•
Short Circuit to Ground | |
Diagnosis Time |
•
- | |
Mil On Condition |
•
2 trips |
※ S1 : upstream oxygen sensor / S2 : downstream oxygen sensor
