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

Ignition Control Module: Testing and Inspection

There is no specific testing procedure for checking the ignition control unit or its functions. For information on ignition control, refer to COMPUTERIZED ENGINE CONTROLS and review the following topics:

ELECTRONIC CONTROL UNITS
HALL SENSOR
KNOCK SENSOR
IGNITION SIGNAL - POWER OUTPUT STAGE