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)
Or, hide this message:
temporarily or
permanently
Distributor Reference
Distributor reference input from the
ignition system is the information utilized by the ECM to determine crankshaft position and engine rpm. For diagnosis and testing information, refer to
ELECTRONIC SPARK TIMING (EST) SYSTEM in this section.