lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 1847 > < Component Tests and General Diagnostics|Page 1845
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Heated oxygen sensor signal

HINT
In Data List, item O2S B1S2 or O2S B2S2 shows the ECM input values from the heated oxygen sensor.

3.

WAVEFORM 3

Fuel injector No. 1 (to No. 6) injection signal and injection confirmation signal

HINT
The wavelength becomes shorter as the engine speed increases.

4.

WAVEFORM 4

Knock sensor signal

HINT
*

The wavelength becomes shorter as the engine speed increases.

*

The waveforms and amplitudes displayed differ slightly depending on the vehicle.

5.

WAVEFORM 5

Component Tests and General Diagnostics|Page 1847 > < Component Tests and General Diagnostics|Page 1845