DLC (Data Link Connector)
WARNING: This page is about a different car, the 2007 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. OBD-II serial data line (K line of ISO 9141) (3) is used for SUZUKI scan tool or OBD-II generic scan tool to communicate with ECM, Air bag SDM, BCM, TCM (if equipped), 4WD control module (if equipped) and ABS/ESP® control module.