Operation CHARM: Car repair manuals for everyone.
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

Spark

Scan tool range -1 degree to 60 degrees. The Spark parameter displays the PCM controlled value that is being used in order to control the spark timing.