Test Description

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

1. 2. This step determines the position of the front axle switch.
2. 3. This step helps determine if the front axle will not engage.
3. 4. This step helps determine if the front axle will not disengage.
   Fig 1: Diagnostic System Check - Transfer Case Shift Control Switch Indicators Flash Continuously 15 Seconds or More

   Courtesy of GENERAL MOTORS CORP.