GM Service Manual Online
For 1990-2009 cars only
Table 1: Memory Seat Module Scan Tool Data Parameters
Table 2: Memory Seat Module Scan Tool Output Controls

Memory Seat Module Scan Tool Data Parameters

Parameter

System State

Expected Value

Definition

Operating Conditions: Ignition ON

Accelerator Pedal Position Sensor

--

Varies

This displays Volts. This is the current accelerator pedal position voltage.

Brake Pedal Position Sensor

--

Varies

This displays Volts. This is the current brake pedal position voltage.

Driver Seat Front Vertical Sensor

--

Varies

This displays Volts. This is the voltage supplied to the driver seat front vertical sensor.

Driver Seat Horizontal Sensor

--

Varies

This displays Volts. This is the voltage supplied to the driver seat horizontal sensor.

Driver Seat HVC Level

--

High

The scan tool displays High, Medium or Low. This is the current level of the driver heated seat or the heated cooled seat.

Driver Seat HVC Mode

--

Off

The scan tool displays Off, Back & Cushion, Back Only or Cool. This is the current mode of the driver heated seat or the heated cooled seat.

Driver Seat Rear Vertical Sensor

--

Varies

This displays Volts. This is the voltage supplied to the driver seat rear vertical sensor.

Driver Seat Recline Sensor

--

Varies

This displays Volts. This is the voltage supplied to the driver seat recline sensor.

Front Vertical Downward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the front vertical downward switch.

Front Vertical Motor Downward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the front vertical motor downward.

Front Vertical Motor Upward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the front vertical motor upward.

Front Vertical Upward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the front vertical upward switch.

Horizontal Forward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the horizontal forward switch.

Horizontal Motor Forward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the horizontal motor forward.

Horizontal Motor Rearward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the horizontal motor rearward.

Horizontal Rearward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the horizontal rearward switch.

Lumbar Downward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the lumbar downward switch.

Lumbar Forward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the lumbar forward switch.

Lumbar Horizontal Sensor

--

Varies

This displays Volts. This is the voltage supplied to the lumbar horizontal sensor.

Lumbar Inflation Value

--

Varies

This displays Volts. This is the voltage stored in memory for the lumbar inflation.

Lumbar Vertical Sensor

--

Varies

This displays Volts. This is the voltage supplied to the lumbar vertical sensor.

Lumbar Motor Downward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the lumbar motor downward.

Lumbar Motor Forward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the lumbar motor forward.

Lumbar Motor Rearward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the lumbar motor rearward.

Lumbar Motor Upward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the lumbar motor upward.

Lumbar Rearward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the lumbar rearward switch.

Lumbar Upward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the lumbar upward switch.

Lumbar Vertical Position

--

Varies

This displays Volts. This is the voltage stored in memory for the lumbar vertical position.

Lumbar Vertical Sensor

--

Varies

This displays Volts. This is the voltage supplied to the lumbar vertical sensor.

Massage Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the massage switch.

Lumbar Vertical Position

--

Varies

This displays Volts. This is the voltage stored in memory for the lumbar vertical position.

Memory 1 Adj. Pedals Position

--

Varies

This displays Volts. This is the voltage stored in memory for the position of the adjustable pedals.

Memory 2 Adj. Pedals Position

--

Varies

This displays Volts. This is the voltage stored in memory for the position of the adjustable pedals.

Passenger Seat HVC Mode

--

Off

The scan tool displays Off, Back & Cushion, Back Only or Cool. This is the current mode of the passenger heated seat or the heated cooled seat.

Pedal Aft Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the pedal aft switch.

Pedal Forward

--

Inactive

The scan tool displays Active or Inactive. This is the current state of the adjustable pedal assembly.

Pedal Forward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the pedal forward switch.

Pedal Rearward

--

Inactive

The scan tool displays Active or Inactive. This is the current state of the adjustable pedal assembly.

Pedals Forward Softstop Pos.

--

Varies

This displays Volts. This is the current forward softstop voltage.

Pedals Rearward Softstop Pos.

--

Varies

This displays Volts. This is the current rearward softstop voltage.

Pedals Softstop Learn Status

--

Learned

The scan tool displays Learned, Learning, Failed or Unlearned. This is the current adjustable pedal assembly softstop learn status.

Rear Vertical Downward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the rear vertical downward switch.

Rear Vertical Motor Downward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the rear vertical motor downward.

Rear Vertical Motor Upward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the rear vertical motor upward.

Rear Vertical Upward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the rear vertical upward switch.

Recline Forward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the recline forward switch.

Recline Motor Forward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the recline motor forward.

Recline Motor Rearward

--

Inactive

The scan tool displays Active or Inactive. This is the state of the recline motor rearward.

Recline Rearward Switch

--

Inactive

The scan tool displays Active or Inactive. This is the state of the recline rearward switch.

Seat Front Vertical Position

--

Varies

This displays Volts. This is the voltage stored in memory for the seat front vertical position.

Seat Horizontal Position

--

Varies

This displays Volts. This is the voltage stored in memory for the seat horizontal position.

Seat Rear Vertical Position

--

Varies

This displays Volts. This is the voltage stored in memory for the seat rear vertical position.

Seat Recline Position

--

Varies

This displays Volts. This is the voltage stored in memory for the seat recline position.

Memory Seat Module Scan Tool Output Controls

Scan Tool Output Control

Description

Clear Pedals Softstops

This output control is used to clear the adjustable pedal assembly softstops stored in memory.

Front Up/Down

This output control is used to command the driver seat motor Up and Down.

Learn Pedals Softstops

This output control is used to program the adjustable pedal assembly softstops.

Lumbar Forward/Rearward

This output control is used to command the driver seat lumbar forward and rearward.

Lumbar Up/Down

This output control is used to command the driver seat lumbar Up and Down.

Rear Up/Down

This output control is used to command the driver seat rear Up and Down.

Recline Forward/Rearward

This output control is used to command the driver seat reclining forward and rearward.

Seat Forward/Backward

This output control is used to command the driver seat forward and backward.