DTC Detecting Condition and Trouble Area
DTC DETECTING CONDITION CHART
| DTC detecting condition | Trouble area |
|---|---|
| P0137: O2 Sensor Circuit Low Voltage (Sensor 2) Output voltage of HO2S signal circuit is lower than 0.02 V for 25 sec. (2 D/C detection logic) |
|
| P0138: O2 Sensor Circuit High Voltage (Sensor 2) Output voltage of HO2S signal circuit is higher than 1.2 V for 5 sec. even if HO2S heater is turned ON for 200 sec. (2 D/C detection logic) |