| Table 1: | Park Assist Module Scan Tool Data Parameters | 
| Table 2: | Park Assist Module Scan Tool Output Controls | 
Parameter  | System State  | Expected Value  | Definition  | 
|---|---|---|---|
Operating Conditions: Ignition ON  | |||
Battery Voltage  | --  | Varies  | This displays volts. This is the system voltage supplied to the park assist module.  | 
Loudspeaker Feed Voltage Output  | --  | Varies  | This displays volts. This is the voltage output to the loud speaker.  | 
Park Assist Disable 1-7 History  | --  | Varies  | This displays Empty, Manual Disable, Park Brake, Hitch/Obj Attach, Reverse Ovrspeed, Inhibit, Sens Disturbance, Snow/Ice/Mud or Sensor Ring Time. These are the last seven reasons why the park assist system was disabled in the history data.  | 
Park Assist Front Display LED CKT  | --  | OK  | This displays OK or Over Current. This is the state of the park assist front display LED circuit.  | 
Park Assist Rear Display LED CKT  | --  | OK  | This displays OK or Over Current. This is the state of the park assist rear display LED circuit.  | 
Park Assist Rear Red LED  | --  | Off  | This displays On or Off. This is the state of the red LED indicator in the park assist display.  | 
Park Assist Rear Y1 LED  | --  | Off  | This displays On or Off. This is the state of the first yellow LED indicator in the park assist display.  | 
Park Assist Rear Y2 LED  | --  | Off  | This displays On or Off. This is the state of the second yellow LED indicator in the park assist display.  | 
Park Assist Switch  | --  | Inactive  | This displays Active or Inactive. This is the state of the object detection system.  | 
Park Assist Switch LED  | --  | Off  | This displays On or Off. This is the state of the park assist switch indicator.  | 
Park Assist Switch LED CKT  | --  | OK  | This displays OK or Over Current. This is the state of the park assist switch LED circuit.  | 
Park Assist System Status  | --  | Disable  | This displays Disable, Enable, Inhibit or Failed/Block. This is the state of the park assist system.  | 
Power Mode  | --  | Run  | This displays Off, Accessory, Run or Crank Request. This is the state of the ignition switch.  | 
Rear Region 1  | --  | No Detect  | This displays No Detect or Zone 1-8. This is the state of the rear region 1 object detection sensor.  | 
Rear Region 2  | --  | No Detect  | This displays No Detect or Zone 1-8. This is the state of the rear region 2 object detection sensor.  | 
Rear Region 3  | --  | No Detect  | This displays No Detect or Zone 1-8. This is the state of the rear region 3 object detection sensor.  | 
Rear Region 4  | --  | No Detect  | This displays No Detect or Zone 1-8. This is the state of the rear region 4 object detection sensor.  | 
Sensor Feed Voltage Output  | --  | Varies  | This displays volts. This is the voltage output to the object sensors.  | 
Vehicle Speed  | --  | Varies  | The scan tool displays km/h (mph). This is the current vehicle speed.  | 
Scan Tool Output Control  | Description  | 
|---|---|
Clear History Data  | The object alarm module clears the park assist disable history when commanded from the scan tool.  | 
LED Test  | The object alarm module illuminates the park assist switch indicator when commanded from the scan tool.  | 
Rear Red LED  | The object alarm module illuminates the rear red LED when commanded ON from the scan tool.  | 
Rear Yellow LED 1  | The object alarm module illuminates the first rear yellow LED when commanded ON from the scan tool.  | 
Rear Yellow LED 2  | The object alarm module illuminates the second rear yellow LED when commanded ON from the scan tool.  |