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Reference waveform No.2

Oxygen signal (1) and heater output signal (2) of heated oxygen sensor-2:

WAVEFORM REFERENCE

Measurement terminal Bank-1
CH1: C37-1 or C37-2 to C37-81
CH2: C37-3 to C37-81
CH3: C37-46 to C37-81
Bank-2
CH1: C37-20 or C37-21 to C37-81
CH2: C37-22 to C37-81
CH3: C37-46 to C37-81
Oscilloscope setting CH1: 10 V/DIV, CH2: 500 mV/DIV,
CH3: 5 V/DIV
TIME: 400 ms/DIV
Measurement condition Engine is racing after warmed up engine.
Fig 1: Identifying Signal Waveform No.2
G05472755Courtesy of SUZUKI OF AMERICA CORP.