| Table 1: | Radio Scan Tool Data Parameters | 
| Table 2: | Radio Scan Tool Output Controls | 
Parameter  | System State  | Expected Value  | Definition  | 
|---|---|---|---|
Operating Conditions: Ignition ON  | |||
Antenna Enable  | --  | Active  | The scan tool displays Active or Inactive. This parameter indicates if the navigation radio has enabled the GPS antenna.  | 
Antenna Signal  | --  | Varies  | The scan tool displays 0-300. The signal from the antenna is measured in dBuV.  | 
Band Number  | --  | Varies  | The scan tool displays AM/FM1/FM2/XM1/XM2. This is the current band setting.  | 
CD Changer  | --  | Varies  | The scan tool displays Not Connected/Connected indicating the status of a CD changer.  | 
CD Focus Errors  | --  | Varies  | The scan tool displays 0-999. This is the number of CD focus errors the radio has recorded  | 
CD Inserted  | --  | Varies  | The scan tool displays Yes/No indicating if a CD is inserted in the CD player.  | 
CD Load/Unload Errors  | --  | Varies  | The scan tool displays 0-999. This is the number of CD loading and unloading errors the radio has recorded.  | 
CD Tracking Errors  | --  | Varies  | The scan tool displays 0-999. This is the number of CD tracking errors the radio has recorded.  | 
Driver Number  | --  | Varies  | The scan tool displays Unknown/Diver 1/Driver 2. This is the memory position the driver has selected.  | 
Ign. Cycles Since last DTC  | --  | Varies  | The scan tool displays the number of ignition cycles since the last DTC.  | 
Personalization Status  | --  | Varies  | Unknown, Driver 1, Driver 2  | 
New VIN Counter  | --  | Varies  | This numeric value increments each time the VIN is commanded to re-learn.  | 
Phone  | --  | Present  | The scan tool displays Present or Not Present. This indicates if the radio detects the vehicle is equipped with OnStar.  | 
Preset Control  | --  | Varies  | The scan tool displays Preset 1-6 when the radio is tuned to a preset station, or Not A Preset when the radio is not on a preset station.  | 
Signal Strength  | --  | Varies  | The signal strength of the currently tuned station is measured in dBuV.  | 
Source  | --  | Varies  | The scan tool displays Off/Tuner/Radio Monitor/Cassette/CD/RDS Interrupt/ICDX/CD Changer/Phone Stereo/MD Changer/Single MD/Nav Voice Stereo/Enhanced Stereo/AD Stereo/Phone Mono/Nav Voice Mono/Enhanced mono/AD Mono/RSE Stereo/DRR Tuner. This is the current source/type of the signal being received/played.  | 
Source Status  | --  | Varies  | The scan tool displays Off/Tuner/Radio Monitor/Cassette/CD/RDS Interrupt/ICDX/CD Changer/Phone Stereo/MD Changer/Single MD/Nav Voice Stereo/Enhanced Stereo/AD Stereo/Phone Mono/Nav Voice Mono/Enhanced Mono/AD Mono/RSE Stereo/DRR Tuner. This is the current source/type of the signal being received/played.  | 
Theft Armed  | --  | Learned VIN  | The scan tool displays No VIN/Learned VIN.  | 
Theft Armed  | --  | Inactive  | The scan tool displays Active or Inactive.  | 
Theft Lock  | --  | Unlocked  | The scan tool displays Unlocked/Locked. The scan tool displays locked when the radio receives the incorrect VIN number.  | 
Theft Lock  | --  | Inactive  | The scan tool displays Active or Inactive.  | 
Total CD Hours  | --  | Varies  | The scan tool displays 0-999 hrs. This is the total number of hours the CD player has been used.  | 
Scan Tool Output Control  | Description  | 
|---|---|
Antenna  | This control will turn ON and OFF the GPS antenna for the navigation radio.  | 
Front Speakers  | Commanding this control ON will turn OFF all speakers except the front speakers. Commanding this control OFF will turn OFF all speakers.  | 
Rear Speakers  | Commanding this control ON will turn OFF all speakers except the rear speakers, including door tweeter if equipped. Commanding this control OFF will turn OFF all speakers.  |