Scan Tool Data List
WARNING: This page is about a different variant/trim than selected.
Use scan tool data values under following conditions:
- The Diagnostic System Check - Vehicle 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 condition to scan tool manufacturer. use of a faulty scan tool can result in misdiagnosis and unnecessary replacement of parts.
Only parameters listed below are used in this manual for diagnosing. If a scan tool displays other parameters, values are not recommended by General Motors for use in diagnosis.
Scan tool values below were recorded under following conditions:
- Engine at idle
- Upper radiator hose hot
- Closed throttle
- Transmission in Neutral
- Closed Loop operation
- Accessories OFF
- Brake pedal not applied
Transmission Scan Tool Data List - 4.3L
| Scan Tool Parameter | Data List* | Units Displayed | Typical Data Values |
|---|---|---|---|
| Clutch Pedal Switch | F0, F1 | Applied/Released | Released |
| Vehicle Speed Sensor | ALL | km/h (mph) | 0 |
|
*Data List Legend
|
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Transmission Scan Tool Data List - 4.8L
| Scan Tool Parameter | Data List* | Units Displayed | Typical Data Values |
|---|---|---|---|
| Clutch Pedal Switch | F1 | Applied/Released | Released |
| Vehicle Speed Sensor | ALL | km/h (mph) | 0 |
|
*Data List Legend
|
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