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Home >> Chevrolet >> 2002 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 761 (Data Link Communications System) >> Diagnostic Information and Procedures >> Scan Tool Does Not Power Up >> Test Description
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Test Description

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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 Table (Step 1 To 4)
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