Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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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}.
