Suzuki 2000 Grand Vitara SQ625 Service Manual page 14

6-10 ENGINE DIAGNOSIS (G16 / J20 ENGINES)
K line of ISO 9141
Data Link Connector (DLC)
SUZUKI
DLC is in compliance with SAEJ1962 in its installation position, the
serial data
line
shape of connector and pin assignment.
K line of ISO 9141 is used for SUZUKI scan tool (Tech-1) to commu-
nicate with ECM and ABS control module.
SUZUKI serial data line is used for SUZUKI scan tool (Tech-1) to
communicate with an electronic control unit (Airbag SDM, etc.).
Body ground
ECM (PCM) ground