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

Front Vertical Motor

Input/Output

Inactive/Up/Down

Inactive

Front Vertical Position Switch

Input/Output

Inactive/Up/Down

Varies

Front Vertical Position

Sensor Data

0.0-5.0 Volts

Varies

Horizontal Motor

Input/Output

Inactive/Forward/Back

Inactive

Horizontal Position Switch

Input/Output

Inactive/Forward/Back

Inactive

Memory Switch

Input/Output

Memory 1/Memory 2/Easy 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

PRNDL State

Input/Output

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

Park

Rear Vertical Motor

Input/Output

Inactive/Up/Down

Inactive

Rear Vertical Position Switch

Input/Output

Inactive/Up/Down

Varies

Rear Vertical Position

Sensor Data

0.0-5.0 Volts

Varies

Seat Horizontal Position

Sensor Data

0.0-5.0 Volts

Varies

System Power Mode

Input/Output

Run/Accessory/RAP/Off Awake

On

8 Digit GM Part Number

Module Information

Alpha/Numeric

Varies