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H25 engine

WARNING: This page is about a different car, the 2004 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Oscilloscope waveforms of CMP sensor REF signal and No.1 ignition trigger signal are as shown in the figure when connecting oscilloscope between terminal "C51-3-10" of ECM (PCM) connector connected to ECM (PCM) and ground, and between terminal "C51-2-13" and ground.

Fig 1: CMP Sensor Signal And REF Signal Of CMP Sensor Oscilloscope Waveforms
G02257036Courtesy of SUZUKI OF AMERICA CORP.
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