K Yukon/Denali 4WD V8-5.7L VIN R (2000)
Diagnostic Chart (Part 2 Of 2)
TEST DESCRIPTION
The following numbers refer to the steps in the table.
2. This step inspects that the phone is presently capable of placing a call. It will also insure that the OnStar(R) system is properly configured.
3. This step checks the "Horn Honk" command from the OnStar (R) Call Center.
5. This step checks the "Lock" command from the OnStar(R) Call Center.
7. This step checks the "Unlock" command from the OnStar(R) Call Center.
9. This step checks the "Lights Flash" command from the OnStar(R) Call Center.
Call Center Unable to Configure System - OnStar
Diagnostic Chart
TEST DESCRIPTION
The following numbers refer to the steps in the table.
2. This step checks the configuration of the OnStar (R) system.
3. This step checks for an open in the IGN SEN circuit.
4. This step checks for a short to ground or an open in the Ignition Positive circuit.
