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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Data Link Connector: Description and Operation




Data Link Connector (DLC)
DLC (1) is in compliance with SAEJ1962 in its installation position, the shape of connector and pin assignment.
K line (4) of ISO 9141 is used for SUZUKI scan tool or OBD-II generic scan tool to communicate with ECM (PCM) and air bag SDM. SUZUKI serial data line (3) is used for SUZUKI scan tool to communicate with ABS control module.