| Table 1: | Assist Step Control Module Scan Tool Data List | 
| Table 2: | Assist Step Control Module Scan Tool Output Controls | 
Parameter  | System State  | Expected Value  | Definition  | 
|---|---|---|---|
Operating Conditions: Vehicle Running, All Doors Closed  | |||
ASC Disable Switch  | --  | Inactive  | The scan tool displays Active or Inactive.This displays the state of the ASC switch.  | 
ASC Learn Status  | --  | Passed  | The scan tool displays Running,Passed, and Canceled. This parameter displays the learned status of the ASC module.  | 
ASC System Status  | --  | Passed  | The scan tool displays Unknown, Normal, Disabled, or Locked. This parameter displays the status of the ASC system.  | 
Battery Voltage  | --  | Varies  | The scan tool displays Volts. This is the current battery voltage.  | 
Driver Door Ajar Sw.  | --  | Stop  | The scan tool displays Door Closed, and Door Ajar. This is the status of the driver door ajar switch.  | 
Left ASC Board Commanded  | --  | Varies  | The scan tool displays Off, Unknown, Retract, Extend. This displays the commanded position of the left running board.  | 
Left ASC Board Position  | --  | Varies  | This diplays counts. The parameter displays the running boards position in counts 0-255  | 
Left ASC Board Learned  | --  | yes  | The scan tool displays Yes or No. This lets you know if the ASC board has learned it's fully extended and fully retracted limits.  | 
Left Rear Door Ajar Sw  | --  | Varies  | The scan tool displays Door Closed, and Door Ajar. This is the status of the left rear door ajar switch.  | 
Manufacturers Enable Counter  | --  | Varies  | This displays counts. Counts from 256-0.  | 
Passenger Door Ajar Sw  | --  | Varies  | The scan tool displays Door Closed, and Door Ajar. This is the status of the passenger door ajar switch.  | 
Right Rear Door Ajar Sw  | --  | Varies  | The scan tool displays Door Closed, and Door Ajar. This is the status of the right rear door ajar switch.  | 
Right ASC Board Commanded  | --  | Varies  | The scan tool displays Off, Unknown, Retract, Extend. This displays the commanded position of the right running board.  | 
Right ASC Board Learned  | --  | Yes  | The scan tool displays Yes or No. This lets you know if the ASC board has learned it's fully extended and fully retracted limits.  | 
Right ASC Board Position  | --  | Varies  | This displays counts. The parameter displays the running boards position in counts 0-255  | 
Scan Tool Output Control  | Additional Menu Selections  | Description  | 
|---|---|---|
Left ASC Motor Test  | Special Functions  | This test fully deploys the assist step and then retract the assist step.  | 
Right ASC Motor Test  | Special Functions  | This test fully deploys the assist step and then retract the assist step.  |