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
Tester Abbreviations
DI ABBREVIATIONSABBREVIATION DEFINITIONPIP
Profile Ignition Pickup
SPOUT
Spark Output (PCM spark control signal)
IDM
Ignition Diagnostic Monitor (Diagnostic signal to PCM)
BAT+
Battery positive
BAT-
Battery negative
GND
Low current ground reference
DI
Distributor Ignition
ICM
Ignition Control ModuleCMP
Camshaft Position
PCM
Powertrain Control Module