Inflatable Restraint Vehicle Rollover Sensor Scan Tool Information
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Rollover Sensor Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| Average Speed | - | Varies | This displays km/h (mph). This is the average speed of the vehicle. |
| Battery Voltage Signal | - | Varies | This displays volts. This is the voltage input supplied to the rollover sensor. |
| Current Power Mode | - | Run | The scan tool displays Off, Accessory, Run or Crank Request. This is the state of the ignition switch. |
| Engine Virtual Device | - | Present | The scan tool displays Present or Not Present. |
| Primary Key Status | - | Valid | The scan tool displays Unknown, Valid or Invalid. This is the state of the primary key. |
| Received Primary Key | - | Varies | The scan tool displays the primary key received. |
| ROS Occupant Containment Req. | - | Enable | The scan tool displays Reserved, Disable or Enable. |
| ROS Primary Key | - | Varies | The scan tool displays the ROS primary key. |
| SDM Occupant Containment Status | - | Enabled | The scan tool displays Disabled or Enabled. |
| Vehicle Speed Status | - | Valid | The scan tool displays Valid or Invalid. This is the state of the vehicle speed. |
Supplemental Inflatable Restraint Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Setup New ROS | This procedure should be used after a new rollover sensor has been installed. |