Use the scan tool data values under the following conditions:
• | The Diagnostic System Check - Vehicle in Vehicle DTC Information 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, 8, 10, 14 | APPLIED/RELEASED | RELEASED | ||||||||||||||||||||||||||||
Reverse Inhibit Solenoid Circuit Status | 14 | ||||||||||||||||||||||||||||||
Reverse Inhibit Solenoid Command | 14 | ON/OFF | OFF | ||||||||||||||||||||||||||||
Skip Shift Lamp Command | 12 | ||||||||||||||||||||||||||||||
Skip Shift Solenoid Circuit Status | 14 | ||||||||||||||||||||||||||||||
Skip Shift Solenoid Command | 14 | SKIP/NO SKIP | NO SKIP | ||||||||||||||||||||||||||||
TFT Sensor (If Equipped) | 9, 14 | °C/°F | 85-115°C (185-239°F) | ||||||||||||||||||||||||||||
Vehicle Speed Sensor | 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 14 | km/h (mph) | 0 | ||||||||||||||||||||||||||||
*Data List Legend
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