Diagnosis Tool Function: Description

Generic Scan Tool (OBD II scan tool) complying with SAE J1978/ISO 15031-4 has several functions explained below.

ISO15765-4 is used as the protocol.

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

Fig 1: Identifying Generic Scan Tool

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