GM Service Manual Online
For 1990-2009 cars only

Scan Tool Data List 3.8L

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, engine OFF

Brake Switch

Engine Data 1

Released/Applied

Released

Cruise

Engine Data 1

Disengaged /Engaged

Disengaged

Cruise Inhibit Reason

Engine Data 1

--

Engine Not Running

Cruise Inhibit Signal Command

Engine Data 1

On/Off

On

Scan Tool Data List 4.6L

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

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

Cruise Inhibited

Engine 3

Yes/No

Yes

Cruise Requested

Engine 3

Yes/No

No