GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Battery Voltage

Input/Output

Volts

Varies

Driver Identification

Input/Output

Driver 1/Driver 2

Varies

Exit Front Vertical Value

Memory Data

0.0-5.0 Volts

Varies

Exit Horizontal Value

Memory Data

0.0-5.0 Volts

Varies

Exit Rear Vertical Value

Memory Data

0.0-5.0 Volts

Varies

Exit Recline Value

Memory Data

0.0-5.0 Volts

Varies

Front Vertical Motor

Input/Output

Up/Down/Inactive

Inactive

Front Vertical Position Switch

Input/Output

Up/Down/Inactive

Inactive

Front Vertical Position

Sensor Data

0.0-5.0 Volts

Varies

Horizontal Motor

Input/Output

Forwarw/Backward/Inactive

Inactive

Horizontal Position Switch

Input/Output

Forward/Backward/Inactive

Inactive

Ign. Since Current DTC

Input/Output

Cycles

Varies

Memory Switch

Input/Output

Driver 1/Driver 2/Exit/Inactive

Inactive

Mem 1 Front Vertical Value

Memory Data

0.0-5.0 Volts

Varies

Mem 2 Front Vertical Value

Memory Data

0.0-5.0 Volts

Varies

Mem 1 Horizontal Value

Memory Data

0.0-5.0 Volts

Varies

Mem 2 Horizontal Value

Memory Data

0.0-5.0 Volts

Varies

Mem 1 Rear Vertical Value

Memory Data

0.0-5.0 Volts

Varies

Mem 2 Rear Vertical Value

Memory Data

0.0-5.0 Volts

Varies

Mem 1 Recline Value

Memory Data

0.0-5.0 Volts

Varies

Mem 2 Recline Value

Memory Data

0.0-5.0 Volts

Varies

PRNDL State

Input/Output

Park/Neutral/Reverse/Over Drive/Drive/Second/First

Park

Rear Veritcal Motor

Input/Output

Up/Down/Inactive

Inactive

Rear Vertical Position Switch

Input/Output

Up/Down/Inactive

Inactive

Rear Vertical Position

Sensor Data

0.0-5.0 Volts

Varies

Recline Motor

Input/Output

Forward/Backward/Inactive

Inactive

Recline Position

Sensor Data

0.0-5.0 Volts

Varies

Recline Switch

Input/Output

Forward/Backward/Inactive

Inactive

Seat Horizontal Position

Sensor Data

0.0-5.0 Volts

Varies

System Power Mode

Input/Output

Off Awake/Run/Accessory/RAP

Off Awake