toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine Control Module|Service and Repair > < Component Tests and General Diagnostics|Page 3647
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(j) WAVEFORM 10

(1) Throttle drive motor operation signal (negative terminal)

HINT: The duty ratio varies depending on the throttle actuator operation.

(k) WAVEFORM 11

(1) Engine speed signal

HINT: The wavelength becomes shorter as the engine rpm increases.

Engine Control Module|Service and Repair > < Component Tests and General Diagnostics|Page 3647