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Home >> Subaru >> 2017 >> Outback 2.5i Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (H4DO) >> Engine Control Module (ECM) I/O Signal >> Electrical Specification >> Waveform 2
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Waveform 2

Fig 1: Waveform 2
G11583259Courtesy of SUBARU OF AMERICA, INC.
Measured terminal Front oxygen (A/F) sensor (+) signal (E158) No. 46 (+) - Engine ground 3 (E158) No. 63 (-):
Engine speed (current data display of engine)
Throttle opening angle (current data display of engine)
Measuring condition (a) Accelerator pedal fully closed (b) Accelerator pedal half open (c) Accelerator pedal fully opened