Ignition System Symptom Diagnosis: Reference

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

Oscilloscope waveforms of CMP sensor (1) and No.1 ignition trigger signal (2) are as shown in figure when connecting oscilloscope between terminals "C46-14" of ECM connectors connected to ECM and ground, and between terminal "C45-4" and ground.

Fig 1: Measurement Condition For Waveform A

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Fig 2: Measurement Condition For Waveform B

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Fig 3: Examples Of Waveforms A & B

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