DLC (Data Link Connector)
WARNING: This page is about a different car, the 2004 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DLC is in compliance with SAE J1962 in its installation position, the shape of connector and pin assignment. OBD-II serial data line (K line of ISO 9141) is used for SUZUKI scan tool or OBD-II generic scan tool to communicate with ECM (PCM) and air bag SDM. Bus "+" line of SAE J1850 is used for SUZUKI scan tool to communicate with ABS control module.