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 logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
Engine Speed Signal Manufacturer Specific Pattern
Engine speed signal (output) -
PCM terminal: 48 (+) <-> 103(-)
-
Oscilloscope setting:
2 V/DIV (Y),
5 ms/DIV (X), DC range
-
Vehicle condition: Idle after warm up