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)

Or, hide this message: temporarily or permanently

- Visual/Physical Underhood Inspection


Because many intermittent malfunctions are caused at electrical connections, diagnosis of such problems should begin with a visual and physical interpretation of connectors involved with the code. Appropriate connectors should be disconnected, examined and reconnected before replacing any components.