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. |
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 |
| • | Brake pedal not applied |
Scan Tool Parameter
| Data List
| Units Displayed
| Typical Data Value
|
Vehicle Speed
| ALL
| km/h (mph)
| 0
|
*Data List Legend
| • | F0: General Info - Inputs |
| • | F1: General Info - Outputs |
| • | F5: Auxiliary Emissions |
|
