| Table 1: | Communication Interface Module Scan Tool Data Parameters | 
| Table 2: | Communication Interface Module Scan Tool Output Controls | 
Parameter  | System State  | Expected Value  | Description  | 
|---|---|---|---|
Operating Conditions: Ignition ON  | |||
Date  | --  | Numeric  | This displays DD/MM/YYYY. This is the date the CIM was manufactured.  | 
GPS Signal  | --  | Yes  | The scan tool displays Yes or No. Yes is displayed if there is a GPS signal received by the CIM.  | 
Signal Strength  | --  | 68  | The scan tool displays 0-100. This is the CIM signal strength.  | 
Signal Type  | --  | Digital  | The scan tool displays Digital or Analog. This is the signal type received by the CIM.  | 
Time  | --  | Numeric  | The scan tool displays HH:MM:SS. This is the current time.  | 
Transceiver ID  | --  | Varies  | The scan tool displays a 2-5 digit value. This is the transceiver identification number.  | 
Output Control  | Description  | 
|---|---|
B1000 Data  | This shows the data recorded when DTC B1000 was set in the CIM.  | 
Green LED  | The CIM illuminates the green LED on the inside rearview mirror when ON is selected.  | 
Phone Call Test  | When ON is selected, CIM commands OnStar to connect to the OnStar Center.  | 
PRL Update  | The CIM performs a preferred roaming list (PRL) update when this is selected.  | 
Program Digital Home SID - NID  | Select SID (Station ID) and NID (Network Interface Device) per your location.  | 
Program Phone Number  | CIM provides mobile ID # and mobile directory # for this vehicle. Use arrow keys to change the phone # if necessary.  | 
Red LED  | The CIM illuminates the red LED on the inside rearview mirror when ON is selected.  | 
Set Language  | Pick an option between 3 different languages: English, French Canadian, and Spanish.  | 
CIM Setup  | Screen displays: Move the vehicle to an open, outside area and make sure the vehicle is running. Following this CIM setup procedure, a call will automatically be made to the OnStar Call Center. Inform the Call Center advisor that a new CIM has been installed. Have the STID and ESN from the new CIM ready to provide to the advisor. Refer to Communication Interface Module Programming and Setup.  |