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Reference waveform No.5

EGR valve Signal:

WAVEFORM REFERENCE

Measurement terminal	CH1: C37-12 to C37-81 CH2: C37-31 to C37-81 CH3: C37-11 to C37-81 CH4: C37-30 to C37-81
Oscilloscope setting	CH1: 20 V/DIV, CH2: 20 V/DIV, CH3: 20 V/DIV, CH4: 20 V/DIV TIME: 40 ms/DIV
Measurement condition	Engine is at cranking.

Fig 1: Identifying Signal Waveform No.5

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