Generic Scan Tool (GST) Function: Description

Generic Scan Tool (OBD II scan tool) complying with SAE J1978 has 8 different functions explained below.

ISO9141 is used as the protocol.

The name "GST" or "Generic Scan Tool" is used in this article.

Fig 1: Identifying Generic Scan Tool

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