toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine Control System - SFI System|Page 2452 > < Engine Control System - SFI System|Page 2450
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The wavelength becomes shorter as the engine speed increases.

(b) WAVEFORM 2

(1) Heated oxygen sensor signal

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

(c) WAVEFORM 3

(1) Fuel injector assembly operation signal

HINT
The wavelength becomes shorter as the engine rpm increases.

(d) WAVEFORM 4

Engine Control System - SFI System|Page 2452 > < Engine Control System - SFI System|Page 2450