Scan Tool Data List

SCAN TOOL DATA LIST

Use the scan tool data values under the following conditions:

^ The Powertrain On-Board (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 manufacture. The use of a faulty scan tool can result is misdiagnosis and the unnecessary replacement of parts.

Only 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