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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 step numbers on the diagnostic table:

  1. 2. This test determines the status of the column in switch using a scan tool. The scan tool will display the column switch status as Out, button pressed toward I/P, and Idle, button released.
  2. 3. This test checks if the column in switch is shorted to ground or stuck. If the column in switch status changes from Out to Idle when the column in switch is disconnected, then the switch assembly must be replaced.
Fig 1: Diagnostic System Check - DTC B2852
G01419127Courtesy of GENERAL MOTORS CORP.
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