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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General



General

The comfort and safety functions have been expanded significantly on the 911 Carrera. Up to 29 control units continually exchange approx. two megabytes of data per minute via the CAN bus. Approx. 2,500 different signals have been defined to this end.

The electrical and electronic components and systems of the 911 Carrera are explained on the following pages.