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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Electrical Diagrams




Data Communication Schematics

Low Speed Bus - JX200 (1 of 3)





Low Speed Bus - JX200 (2 of 3)





Low Speed Bus - JX200 (3 of 3) and JX300





High Speed Bus (1 of 2)





High Speed Bus (2 of 2)





Linear Interconnect Network (LIN) Bus





Serial Data Communication Enable and Wake-up Circuits





High Speed Bus - HP2 (1 of 2)





High Speed Bus - HP2 (2 of 2)





Powertrain Expansion Bus (HP2)





Serial Data Gateway Module (HP2)