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Waveform 9

Throttle drive motor operation signal (positive terminal)

WAVEFORM 9 REFERENCE CHART

ECM Terminal Names Between M+ and ME01
Tester Ranges 5 V/DIV, 1 msec./DIV
Conditions Idling with warm engine

HINT:

The duty ratio varies depending on the throttle actuator operation.

Fig 1: Identifying Waveform 9
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