xB L4-2.4L (2AZ-FE) (2009)
![background image](/scion/xb/l4-2.4l_(2az-fe)/Page-43007.png)
7. WAVEFORM 7
HINT: The wavelength becomes shorter as the engine rpm increases.
8. WAVEFORM 8
HINT: If the waveform is not similar to the illustration, check the waveform again after idling for 10 minutes or more.
9. WAVEFORM 9
HINT: The wavelength becomes shorter as the vehicle speed increases.