GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Engine at Normal Operating Temperature, Transmission in Park or Neutral.

Cruise Control Active

Engine Data 1

Engine Data 2

Engine Data 3

Yes/No

No

Cruise Release Clutch/TCC Pedal Switch

Engine Data 1

Engine Data 2

Engine Data 3

On/Off

Off

Ignition 1 Voltage

Engine Data 1

Engine Data 2

Engine Data 3

EVAP Data

Fuel Trim

Volts

Varies

Vehicle Speed Sensor

Engine Data 1

Engine Data 2

Engine Data 3

EVAP Data

Fuel Trim

Misfire Data

km/h (mph)

0 km/h (mph)