Use the scan tool data values under the following conditions:
| • | The Powertrain On-Board Diagnostic (OBD) System Check is complete. | 
| • | The On-Board Diagnostics are functioning properly. | 
| • | No DTCs are present. | 
The values below represent a typical display recorded from a properly functioning system.
Important: Do not use a scan tool that displays faulty data. Report the condition to the scan tool manufacturer. The use of a faulty scan tool can result in misdiagnosis and the unnecessary replacement of parts.
Only the parameters listed below are used in this manual for diagnosing. If a scan tool displays other parameters, the values are not recommended by General Motors for use in diagnosis.
Scan tool values below were recorded under the following conditions:
| • | Engine at idle | 
| • | Upper radiator hose hot | 
| • | Closed throttle | 
| • | Transmission in Neutral | 
| • | Closed Loop operation | 
| • | Accessories OFF | 
| • | Brake pedal not applied | 
Scan Tool Parameter  | Data List  | Units Displayed  | Typical Data Value  | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Clutch Pedal Switch  | F0, F2, F6  | Applied/Released  | Released  | ||||||||||||||
Vehicle Speed Sensor  | ALL  | km/h (mph)  | 0  | ||||||||||||||
*Data List Legend 
 
 
 
 
 
 
  | |||||||||||||||||
Use the scan tool data values under the following conditions:
| • | The Powertrain On-Board Diagnostic (OBD) System Check is complete. | 
| • | The On-Board Diagnostics are functioning properly. | 
| • | No DTCs are present. | 
The values below represent a typical display recorded from a properly functioning system.
Important: Do not use a scan tool that displays faulty data. Report the condition to the scan tool manufacturer. The use of a faulty scan tool can result in misdiagnosis and the unnecessary replacement of parts.
Only the parameters listed below are used in this manual for diagnosing. If a scan tool displays other parameters, the values are not recommended by General Motors for use in diagnosis.
Scan tool values below were recorded under the following conditions:
| • | Engine at idle | 
| • | Upper radiator hose hot | 
| • | Closed throttle | 
| • | Transmission in Neutral | 
| • | Closed Loop operation | 
| • | Accessories OFF | 
| • | Brake pedal not applied | 
Scan Tool Parameter  | Data List  | Units Displayed  | Typical Data Value  | ||||||
|---|---|---|---|---|---|---|---|---|---|
Clutch Pedal Switch  | F0  | Applied/Released  | Released  | ||||||
Vehicle Speed Sensor  | F0, F2  | km/h (mph)  | 0  | ||||||
*Data List Legend 
 
 
  | |||||||||