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Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference) (Except for California emission regulation applicable ATX model)

IGT1, IGT2 control signals




- PCM terminals
- IGT1(No.1 and No.4): 1A(+) - 1D(-)
- IGT2(No.2 and No.3): 1B(+) - 1C(-)

- Oscilloscope setting: 4 V/DIV (Y), 0.01 ms/DIV (X), DC range
- Vehicle condition: Idle after warm up (engine speed approx. 700 rpm, no load, P/S off, A/C off)
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