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Generic Scan Tool (GST) Function: Description

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

ISO15765-4 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.