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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 644 (HVAC Systems - Automatic) >> Diagnostic Information and Procedures >> Too Cold in Vehicle >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 2. This step clears the HVAC control module memory and checks for current air temperature actuator diagnostic trouble codes.
  2. 3. This step checks for A/C compressor clutch always on.
  3. 7. This test is to insure cooling system is operating normally.
    Fig 1: Diagnostic System Check Table (Too Cold In Vehicle) (Step 1-8)
    G01418943Courtesy of GENERAL MOTORS CORP.
Fig 2: Diagnostic System Check Table (Too Cold In Vehicle) (Step 9-20)
G01418944Courtesy of GENERAL MOTORS CORP.
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