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Reference waveform No.1

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

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

WAVEFORM REFERENCE

Measurement terminal Bank-1
CH1: C37-1 or C37-2 to C37-81
CH2: C37-3 to C37-81
Bank-2
CH1: C37-20 or C37-21 to C37-81
CH2: C37-22 to C37-81
Oscilloscope setting CH1: 10 V/DIV, CH2: 200 mV/DIV
TIME: 200 ms/DIV
Measurement condition Engine is running at specified idle speed after warmed up engine.
Fig 1: Identifying Signal Waveform No.1
G05472754Courtesy of SUZUKI OF AMERICA CORP.
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