Section 21 (Engine Controls - Pin Voltage Charts): Identification

WARNING: This page is about a different car, the 1991 Volkswagen Jetta, 1991 Volkswagen Golf, and 1991 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying ECU Connector Terminals (Typical)

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Fig 2: Terminal Test Box (VAG 1598) & Adapter (VAG 1598-2)

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