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DTC Information: DTC Detecting Condition
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
|
- Poor connector connection
- Air leak in intake or exhaust system
- Faulty upstream O2 sensor
|
| Enable Conditions |
- Closed loop fuel control
- Battery voltage is 10.7 to 16V
|
| Threshold Value |
- High terminal voltage of signal cable of upstream oxygen sensor is lower than 2.50V
- Deviation of high terminal voltage and low terminal voltage is lower than 0.003V, when low terminal voltage is less than 0.7V
|
| Diagnostic Time |
|
| MIL ON Condition |
|