DTC P2197: O2 Sensor Signal Stuck Lean (Bank 2 Sensor 1): Specification
(Reference only)
VOLTAGE SPECIFICATION
| Test Condition | HO2S Voltage (Sensor 1) | HO2S Voltage (Sensor 2) |
|---|---|---|
| HO2S signal at idle after warm-up | signal is commonly switching from rich to lean more than 3 times in 10 sec. | signal is commonly above 0.6V. |
| HO2S signal at open circuit (Pumping current OFF) | Approx. 0.45V | |
| HO2S signal at open circuit (Pumping current ON) | Approx. 2.2V | |