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Oscilloscope Patterns and Waveforms

Vehicle speed signal (ATX)

PCM terminals
- 1AW*1,1J*2 (+)-body ground (-)

Oscilloscope setting
- 1 V/DIV (Y), 2.5 ms/DIV (X), DC range

Vehicle condition
- Vehicle speed is 32 km/h {20 mph}.

Vehicle speed signal (MTX)

PCM terminals
- 2M(+)-2N(-)

Oscilloscope setting
- 1 V/DIV (Y), 10 ms/DIV (X), DC range

Vehicle condition
- Vehicle speed is 10 km/h {6.2 mph}.