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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Information Bus

Multiplex Communication System (Communication Bus) Part 1:

Multiplex Communication System (Communication Bus) Part 2:

Multiplex Communication System (Communication Bus) Part 3:

Multiplex Communication System (J/B ECU) Part 1:

Multiplex Communication System (J/B ECU) Part 2:

Multiplex Communication System (J/B ECU) Part 3:

Multiplex Communication System (J/B ECU) Part 4:

Multiplex Communication System (J/B ECU) Part 5:

Multiplex Communication System (J/B ECU) Part 6:

Multiplex Communication System (J/B ECU) Part 7:

Multiplex Communication System (J/B ECU) Part 8:

Multiplex Communication System (J/B ECU) Part 9:

Multiplex Communication System (J/B ECU) Part 10:

Multiplex Communication System (J/B ECU) Part 11:

Multiplex Communication System (J/B ECU) Part 12:

Multiplex Communication System (J/B ECU) Part 13:

Multiplex Communication System (J/B ECU) Part 14:

Multiplex Communication System (J/B ECU) Part 15:

Multiplex Communication System (J/B ECU) Part 16:

Multiplex Communication System (J/B ECU) Part 17:

Multiplex Communication System (J/B ECU) Part 18:

Multiplex Communication System (J/B ECU) Part 19:

Multiplex Communication System (J/B ECU) Part 20:

Multiplex Communication System (Door ECU) Part 1:

Multiplex Communication System (Door ECU) Part 2:

Multiplex Communication System (Door ECU) Part 3:

Multiplex Communication System (Door ECU) Part 4:

Multiplex Communication System (Door ECU) Part 5:

Multiplex Communication System (Door ECU) Part 6:

Multiplex Communication System (Door ECU) Part 7: