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(j) WAVEFORM 9: Throttle actuator positive terminal TERMINAL NO. (SYMBOLS) TOOL SETTING CONDITION D74-19 (M+) - D74-82 (ME01) 5 V/DIV., 1 msec./DIV. Idling with warm engine HINT: The duty ratio varies depending on the throttle actuator operation. (k) WAVEFORM 10: Throttle actuator negative terminal TERMINAL NO. (SYMBOLS) TOOL SETTING CONDITION D74-18 (M-) - D74-82 (ME01) 5 V/DIV., 1 msec./DIV. Idling with warm engine HINT: The duty ratio varies depending on the throttle actuator operation. (l) WAVEFORM 11: Engine speed signal TERMINAL NO. (SYMBOLS) TOOL SETTING CONDITION A24-15 (TACH) - D74-81 (E1) 5 V/DIV., 10 msec./DIV. Idling HINT: The wavelength becomes shorter as the engine rpm increases. (m) WAVEFORM 12: CAN communication signal TERMINAL NO. (SYMBOLS) TOOL SETTING CONDITION A24-10 (CANH) - D74-81 (E1) 1 V/DIV., 10 µsec./DIV. Engine stops and ignition switch ON HINT: The waveform varies depending on the CAN communication signal. 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINALS... |