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

Description

Operating Conditions: Ignition ON

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 Upward 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.

Passenger Seat HVC Level

--

High

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

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.

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

Output Control

Description

Front Up/Down

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

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/Rearward

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