July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Consult-III/GST Checking System: Description

When CONSULT-III/GST is connected with a data link connector (A) equipped on the vehicle side, it will communicate with the control unit equipped in the vehicle and then enable various kinds of diagnostic tests.
Refer to "CONSULT-III Software Operation Manual" for more information.

Fig 1: Identifying Data Link Connector

Courtesy of NISSAN MOTOR CO., U.S.A.