Use the scan tool data values under the following conditions:
| • | The Diagnostic System Check is complete. |
| • | The on-board diagnostics (OBDs) are functioning properly. |
| • | No diagnostic trouble codes (DTC)s 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:
| • | Upper radiator hose hot |
| • | Transmission in Neutral |
| • | Closed Loop operation |
| • | Brake pedal not applied |
Scan Tool Parameter
| Data List*
| Units Displayed
| Typical Data Values
|
Vehicle Speed Sensor
| ALL
| km/h (mph)
| 0
|
*Data List Legend
| • | F7: Cruise Control Data |
|
