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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 ensures that the primary HVAC system is functioning properly.
  2. 5. Performing the Air Conditioning System Performance Test ensures that the A/C system is operating properly for further testing.
    Fig 1: Diagnosis Procedure Too Hot In Vehicle - Auxiliary (A/C Only)
    G01454611Courtesy of GENERAL MOTORS CORP.
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