Use the scan tool data values under the 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 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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CPP Switch (If Equipped) | 1, 9, 11, 15 | APPLIED/RELEASED | RELEASED | ||||||||||||||||||||||||||||||
Reverse Inhibit Solenoid Circuit Status | 15 | ||||||||||||||||||||||||||||||||
Reverse Inhibit Solenoid Command | 15 | ON/OFF | OFF | ||||||||||||||||||||||||||||||
Skip Shift Lamp Command | 13, 15 | ||||||||||||||||||||||||||||||||
Skip Shift Solenoid Circuit Status | 15 | ||||||||||||||||||||||||||||||||
Skip Shift Solenoid Command | 15 | SKIP/NO SKIP | NO SKIP | ||||||||||||||||||||||||||||||
TFT Sensor (If Equipped) | 10, 15 | °C/°F | 85-115°C (185-239°F) | ||||||||||||||||||||||||||||||
Vehicle Speed Sensor | ALL | km/h (mph) | 0 | ||||||||||||||||||||||||||||||
*Data List Legend
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