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

Column Downward Softstop Pos.

--

Varies

Displays the tilt downward softstop position in volts or counts.

Column Forward Softstop Pos.

--

Varies

Displays the telescope forward softstop position in volts or counts.

Column Rearward Softstop Pos.

--

Varies

Displays the telescope rearward softstop position in volts or counts.

Column Softstop Learn Status

--

Unlearned

Displays Learned if the softstops are learned, and Unlearned if the softstops have not been learned.

Column Upward Softstop Pos.

--

Varies

Displays the tilt upward softstop position in volts or counts.

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.

Memory 1 Telescope Position

--

--

Displays the telescope memory position for driver 1.

Memory 1 Tilt Position

--

--

Displays the tilt memory position for driver 1.

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.

Telescope Forward Command

--

Inactive

Displays Active when the DPM energizes the telescope actuator to move forward.

Telescope Forward Switch

--

Inactive

Displays Active when the telescope forward switch is closed.

Telescope Rearward Command

--

Inactive

Displays Active when the DPM energizes the telescope actuator to move rearward.

Telescope Rearward Switch

--

Inactive

Displays Active when the telescope rearward switch is closed.

Telescope Sensor

--

Varies

Displays the forward/rearward position of the steering column in volts or counts.

Tilt Down Command

--

Inactive

Displays Active when the DPM energizes the tilt actuator to move down.

Tilt Down Switch

--

Inactive

Displays Active when the tilt down switch is closed.

Tilt Sensor

--

Varies

Displays the upward/downward position of the steering column in volts or counts.

Tilt Up Command

--

Inactive

Displays Active when the DPM energizes the tilt actuator to move up.

Tilt Up Switch

--

Inactive

Displays Active when the tilt up switch is closed.

Memory Seat Module Scan Tool Output Controls

Output Control

Description

Clear Column Softstops

This output control is used to clear the steering column softstops stored in memory.

Front Up/Down

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

Learn Column Softstops

This output control is used to program the steering column 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/Rearward

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

Telescope In/Out

This output control is used to command the telescope in and out.

Tilt Up/Down

This output control is used to command the tilt Up and Down.