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Circuit/System Verification

NOTE:

The following verification requires the vehicle to be outside with an unobstructed view of the southern sky. Allow 5 minutes after turning the ignition ON for the vehicle to acquire the GPS satellites signal.

  1. Ignition ON.
  2. Verify that no DTCs are set.
    • If no DTCs are set 
  3. Verify that an OnStar advisor can locate the vehicle after performing a blue button press.
    • If the advisor can not locate the vehicle and the vehicle is not equipped with a navigation system. 

      Refer to Circuit System Testing- Without Navigation System.

    • If the advisor can not locate the vehicle and the vehicle is equipped with a navigation system. 

      Refer to Circuit System Testing- With Navigation System.

    • If the advisor can locate the vehicle 
  4. Verify that the NO GPS symbol/message is not displayed on the P17 Display Module.
    • If the NO GPS symbol/message is displayed 

      Refer to Circuit System Testing With Navigation System- Step 9.

    • If the NO GPS symbol/message is not displayed 
  5. All OK.
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