Data Link Connector (DLC)
WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DLC (1) is in compliance with SAE J1962 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, TCM, ABS control module, air bag SDM, occupant classification module (if equipped), BCM and HVAC control module (if equipped).