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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How to Read Flashing Trouble Code

The CHECK ENGINE lamp flashes the code(s) corresponding to the faulty part.

Reading Check Engine Lamp Flash Codes:





The long segment (1.2 sec on) indicates a "ten", and the short segment (0.2 sec on) signifies a "one". In the illustration above, codes 12 and 21 are used as examples.