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Test Description

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The numbers below refer to the step numbers on the diagnostic table.

  1. 2. This step inspects the CTSY LP fuse for an open.
  2. 3. This step test the battery positive voltage circuit, CKT 40, for an open or high resistance.
  3. 4. This step rechecks the CTSY LP fuse for an open.
  4. 5. This step tests the battery positive voltage circuit, CKT 40, for a short to ground.
Fig 1: DTC 001 - Diagnostic System Check
G01468228Courtesy of GENERAL MOTORS CORP.
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