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
DIS - Reference Signal
A "Scan" tool will read this signal and is displayed in rpm. Refer to
Ignition System for more information on the Direct Ignition System
(DIS) or
Electronic Spark Timing (EST).