Initial Inspection

1. Verify the customer concern by operating the portable cellular phone both in portable mode and while connected to the vehicle.
2. Make sure the portable cellular phone is turned ON. With the power button ON, the system should be on while the ignition switch is in ACC or RUN.
3. Make sure the customer is calling within the coverage area. No Svc will appear in the display if the customer is calling from outside the coverage area.
4. Check to see if the Roam indicator is on. If so, follow the roaming instructions in the owner literature.
5. Check to see if the display reads Locked. If so, press Clr and enter the customer three-digit unlock code.
6. Make sure the portable cellular phone is securely connected to the coil cord and seated in the holder.
7. Check the coil cord connections in the console.
8. Check the portable cellular phone antenna and cellular phone module connections.
9. Check the portable cellular phone system registration. Also, check to make sure that the portable cellular phone is correctly programmed. Incorrect programming can result in single system scanning, loss of speed dialing, loss of hands-free audio, loss of auto redial, loss of dial tone multi-frequency tones, and the loss of other keypad/portable cellular phone functions.
10. Check the customer account status with the cellular carrier.

If the customer concern is still present, follow these steps to diagnose the concern:

11. Inspect to determine if one of the following mechanical or electrical concerns apply:







VISUAL INSPECTION CHART

12. If inspection reveals obvious concerns which can be readily identified, repair as necessary.


13. If the cause of the fault is not visually evident, proceed to diagnose the portable cellular phone system by:
^ Entering the New Generation STAR Tester Diagnostics New Generation Star Tester Diagnostics
^ Entering Audio Control Module Self-Diagnostic Mode. Reading and Clearing Diagnostic Trouble Codes