Operation CHARM: Car repair manuals for everyone.
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

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Minimum Function System (W/Vacuum Adv. Distributor)

Fig. 5 Typical C-3 System Diagnostic Procedure:






Before diagnosing any ECM controlled system, always perform the ``Diagnostic Circuit Check.'' This procedure will lead to the ``Driver Complaint'' chart and ultimately to the ``System Performance Check,'' allowing complete system diagnosis. Always perform the ``System Performance Check'' after completing repairs.