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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Engine Controls - Theory & Operation - EEC-IV) >> Computerized Engine Controls >> Input Devices >> Data Link Connector (DLC) & Self-Test Input (STI) Connector

Data Link Connector (DLC) & Self-Test Input (STI) Connector

WARNING: This page is about a different car, the 1995 Ford Bronco. However, it is still accessible from the selected car via links, so may be relevant.

The 6-pin Data Link Connector (DLC) is used to perform the Quick Test diagnostic procedure. The STI is a single-pin connector located next to the DLC. When the STI wire is connected to SIG RTN terminal of DLC, fault code output function is activated.

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