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
Electronic Spark Timing (EST) System
This is a test of the High Energy Ignition (HEI) system and not specific to the EST system. However, it will permit the technician to diagnose the ECM controlled HEI system, including components directly related to the EST system of timing control.
DIAGNOSTIC CHARTIgnition System Diagnostic Chart:
TEST DESCRIPTIONIgnition System Test Description:
