λ value | 0.65 | 0.7 | 0.8 | 0.9 | 1.01 | 1.18 | 1.43 | 1.7 | 2.42 | Air |
Pumping current | -2.22 | -1.82 | -1.11 | -0.5 | 0 | 0.33 | 0.67 | 0.94 | 1.38 | 2.54 |
Fig.1) CH-A is waveform of Lambda sensor power at IG KEY "ON" and Engine running. It fluctuates between 2V and 3V periodically.
CH-B is Waveform of Lambda sensor ground at IG KEY "ON" and Engine running. 2.5V is displayed.
Fig.2) CH-A is Waveform of Lambda sensor signal at IG KEY "ON" and Engine running. 2.5V is displayed.
CH-B is Waveform of Lambda sensor pump at IG KEY "ON" and Engine running. 2.5V is displayed.