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. |
| • | 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 PARK |
| • | Closed Loop operation |
| • | Accessories OFF |
| • | Brake pedal not applied |
Scan Tool Parameter | Data List* | Units Displayed | Typical Data Value | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AWD Circuit Status | F7 | OK/Short/Open | OK | ||||||||||||||||
AWD Clutch Temp Disable | F7 | Yes/No | No | ||||||||||||||||
AWD Duty Cycle | F7 | Percent | 16%-28% or 49%-90% | ||||||||||||||||
AWD Fluid Temp Disable | F7 | Yes/No | No | ||||||||||||||||
AWD Voltage Disable | F7 | Yes/No | No | ||||||||||||||||
AWD Mini Spare Disable | F7 | Yes/No | No | ||||||||||||||||
AWD Overtemp Delay | F7 | Yes/No | No | ||||||||||||||||
AWD Torque Management | F7 | Active/Inactive | Inactive | ||||||||||||||||
AWD Wheel Speed Disable | F7 | Yes/No | No | ||||||||||||||||
AWD Last Disable Odometer | F7 | km (miles) | Varies | ||||||||||||||||
Last Disable Reason | F7 | Fluid Temp, Clutch Temp, Wheel Speed, Voltage, Mini Spare, ABS System | Varies | ||||||||||||||||
Current Gear | F0, F1, F2, F3, F4, F5, F7 | 1,2,3,4 | 1 | ||||||||||||||||
ECT | F0, F1, F7 | °C (°F) | 97°C (206°F) | ||||||||||||||||
Engine Speed | F0, F1, F2, F3, F4, F5, F7 | RPM | 750-850 RPM | ||||||||||||||||
Engine Torque | F0, F1, F7 | N·m (lb ft) | Varies | ||||||||||||||||
Gear Ratio | F0, F1, F2, F3, F4, F7 | ratio | 3.98 | ||||||||||||||||
Ignition Voltage | F0, F7 | Volts | 12.5-15.5 Volts | ||||||||||||||||
TFP Sw. | F0, F7 | Park/Neutral, Reverse, Drive 4, Drive 3, Drive 2, Drive 1, Invalid | Park/Neutral | ||||||||||||||||
TP Angle | F0, F1, F2, F3, F4, F5, F7 | Percent | 0% | ||||||||||||||||
Trans. Fluid Temp. | F0, F1, F5, F7 | °C (°F) | Varies | ||||||||||||||||
Transmission ISS | F0, F1, F2, F3, F4, F7 | RPM | 700-800 RPM | ||||||||||||||||
Transmission OSS | F0, F1, F2, F3, F4, F7 | RPM | 0 RPM | ||||||||||||||||
Vehicle Speed | F0, F1, F2, F3, F4, F7 | km/h (mph) | 0 mph | ||||||||||||||||
*Data List Legend
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