xB L4-2.4L (2AZ-FE) (2009)
![background image](/scion/xb/l4-2.4l_(2az-fe)/Page-663006.png)
HINT: In DATA LIST, item O2S B1 S2 shows the ECM input values from the heated oxygen sensor.
4. WAVEFORM 4
HINT: The wavelength becomes shorter as the engine rpm increases.
5. WAVEFORM 5
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The wavelength becomes shorter as the engine rpm increases.
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The waveforms and amplitudes displayed differ slightly depending on the vehicle.
6. WAVEFORM 6
HINT: The wavelength becomes shorter as the engine rpm increases.