GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: ignition ON, engine OFF.

Battery Voltage

Data

Volts

12.6

Ignition Accessory

Inputs

Active/Inactive

Active

Ignition 0

Inputs

On/Off

On

Ignition 1

Inputs

On/Off

On

Key in Ignition

Inputs

Yes/No

Yes