toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine Control System - SFI System|Page 3029 > < Engine Control System - SFI System|Page 3027
Page 13
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(1) CAN communication signal

HINT
The waveform varies depending on the CAN communication signal.

(o) WAVEFORM 15

(1) Air fuel ratio sensor and heated oxygen sensor heater operation signal

HINT
The wavelength becomes shorter as the engine speed increases.

(p) WAVEFORM 16

Engine Control System - SFI System|Page 3029 > < Engine Control System - SFI System|Page 3027