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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Work Flow

WORK FLOW
A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently about a malfunction. It is important to fully understand the symptoms or conditions for a customer complaint.
Make good use of the two sheets provided, Information From Customer and Diagnostic Worksheet Chart, to perform the best troubleshooting possible.





Work Flow Chart

DIAGNOSTIC WORKSHEET
Information From Customer





KEY POINTS
^ WHAT Vehicle and A/T model
^ WHEN Date, Frequencies
^ WHERE Road conditions
^ HOW Operating conditions, Symptoms

Part 1:




Part 2:




Part 3:





Diagnostic Worksheet Chart