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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 831 (Transfer Case - BW 4482-Nr4) >> Diagnostic Information and Procedures >> Transfer Case Shift Control Switch Inoperative >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 2. This step tests the functionality of the mode switch.
  2. 3. This step tests the modules ability to operate the transfer case modes.
    Fig 1: Transfer Case Shift Control Switch Inoperative Diagnostic Specifications
    G01456473Courtesy of GENERAL MOTORS CORP.