P0154 O2 Sensor Circuit No Activity Detected (Bank 2/Sensor 1): Specification
(Reference only)
| 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. 3.5V | |