GM Service Manual Online
For 1990-2009 cars only

Engine Control Module (ECM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition On, Engine Off, Cruise Control On/Off Switch Off

Cruise Switch

Engine Data

On/Off

Off

Cruise Release Brake Pedal Switch

Engine Data

Applied/Released

Released

Resume Switch

Engine Data

On/Off

Off

Set Switch

Engine Data

On/Off

Off

Stoplamp Pedal Switch

Engine Data

Applied/Released

Released