GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Key On Engine OFF

Battery Voltage

Data

Volts

9-14 Volts

Current Power Mode

Inputs

Off/Run

Run

Driver 1 Memory Assignments

Inputs

Mem1/None

Varies

Driver 2 Memory Assignments

Inputs

Mem2/None

Varies

Driver 3 Memory Assignments

Inputs

Mem3/None

Varies

Driver 4 Memory Assignments

Inputs

Mem4/None

Varies

Engine Running

Inputs

Yes/No

No

Front Vertical Motor

Outputs

Up/Inactive/Down

Inactive

Front Vertical Position Switch

Inputs

Up/Inactive/Down

Inactive

Front Vertical Sensor

Data

Volts

0-5 Volts

Horizontal Motor

Outputs

Forward/Inactive/Back

Inactive

Horizontal Position Switch

Inputs

Forward/Inactive/Back

Inactive

Horizontal Sensor

Data

Volts

0-5 Volts

Last Driver

Inputs

Driver 1-4

Varies

Last Key Pressed on Fob

Inputs

Lock/Unknown/Unlock

Varies

Mem 1 Front Vertical Value

Data

Volts

Varies

Mem 2 Front Vertical Value

Data

Volts

Varies

Mem 1 Horizontal Value

Data

Volts

Varies

Mem 2 Horizontal Value

Data

Volts

Varies

Mem 1 Rear Vertical Value

Data

Volts

Varies

Mem 2 Rear Vertical Value

Data

Volts

Varies

Mem 1 Recline Value

Data

Pulses

Varies

Mem 2 Recline Value

Data

Pulses

Varies

Memory 1 Select Switch

Inputs

Inactive/Active

Inactive

Memory 2 Select Switch

Inputs

Inactive/Active

Inactive

Memory Set

Inputs

Inactive/Active

Inactive

Memory Set Timer

Inputs

Inactive/Active

Inactive

Park Brake Switch

Inputs

Set/Released

Released

Personalization Set Timer

Inputs

Inactive/Active

Inactive

Rear Vertical Motor

Outputs

Up/Inactive/Down

Inactive

Rear Vertical Position Switch

Inputs

Up/Inactive/Down

Inactive

Rear Vertical Sensor

Data

Volts

0-5 Volts

Recline Sensor

Data

Volts

0-5 Volts

Recline Switch

Inputs

Forward/Inactive/Back

Inactive

Recliner Motor

Outputs

Forward/Inactive/Back

Inactive

Transmission

Inputs

Transmission Type

--

Vehicle Speed

Data

mph

0 mph