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Home >> Chevrolet >> 2003 >> Venture Base, Van Cargo Extended >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 (Data Link Communication System) >> Diagnostic Information and Procedures >> Scan Tool Does Not Power Up >> Test Description
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Test Description

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

  1. 4. If the battery positive voltage and ground circuits of the DLC are functioning properly. The malfunction must be due to the scan tool.
    Fig 1: Scan Tool Does Not Power Up
    G01812749Courtesy of GENERAL MOTORS CORP.
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