GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Idling/Radiator Hose Hot/Closed Throttle/Park or Neutral/Closed Loop

Prom ID

Module Information

4 digit number

xxxx

Calibration ID

Module Information

4 digit number

xxxx

8 Digit GM Part Number

Module Information

8 digit number

xxxxxxxx

Battery Voltage

Data

Volts

0.0 - 25.5

IGN 3

Data

Volts

0.0 - 25.5

Headrest Restraint Switches

Inputs

Down

Up

Idle

Idle

Belt Tower Output

Outputs

Down

Up

Idle

Idle