GM Service Manual Online
For 1990-2009 cars only

Driver Seat Module

Battery Voltage: The scan tool displays the voltage level of the battery voltage supply circuit to the memory seat module.

Horizontal Motor Forward: The scan tool displays Active or Inactive. Whenever the horizontal adjuster motor is commanded to move the seat forward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Horizontal Motor Rearward: The scan tool displays Active or Inactive. Whenever the horizontal adjuster motor is commanded to move the seat rearward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Recline Motor Forward: The scan tool displays Active or Inactive. Whenever the recline adjuster motor is commanded to move the seat back forward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Recline Motor Rearward: The scan tool displays Active or Inactive. Whenever the recline adjuster motor is commanded to move the seat back rearward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Lumbar Motor Forward: The scan tool displays Active or Inactive. Whenever the lumbar adjuster motor is commanded to move the lumbar support forward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Lumbar Motor Rearward: The scan tool displays Active or Inactive. Whenever the lumbar adjuster motor is commanded to move the lumbar support rearward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Rear Vertical Motor Upward: The scan tool displays Active or Inactive. Whenever the rear vertical adjuster motor is commanded to move the rear of the seat upward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Rear Vertical Motor Downward: The scan tool displays Active or Inactive. Whenever the rear vertical adjuster motor is commanded to move the rear of the seat downward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Front Vertical Motor Upward: The scan tool displays Active or Inactive. Whenever the front vertical adjuster motor is commanded to move the front of the seat upward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Front Vertical Motor Downward: The scan tool displays Active or Inactive. Whenever the front vertical adjuster motor is commanded to move the front of the seat downward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Torso Motor Inward: The scan tool displays Active or Inactive. Whenever the torso adjuster motor is commanded to move the torso bolster inward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Torso Motor Outward: The scan tool displays Active or Inactive. Whenever the torso adjuster motor is commanded to move the torso bolster outward, due to a manual switch input or a memory recall function, the scan tool displays Active.

Lumbar Forward Switch: The scan tool displays Active or Inactive. When the lumbar switch is operated in the forward direction the scan tool displays Active.

Lumbar Rearward Switch: The scan tool displays Active or Inactive. When the lumbar switch is operated in the rearward direction the scan tool displays Active.

Torso Inward Switch: The scan tool displays Active or Inactive. When the torso switch is operated in the inward direction the scan tool displays Active.

Torso Outward Switch: The scan tool displays Active or Inactive. When the torso switch is operated in the outward direction the scan tool displays Active.

Recline Forward Switch: The scan tool displays Active or Inactive. When the recline switch is operated in the forward direction the scan tool displays Active.

Recline Rearward Switch: The scan tool displays Active or Inactive. When the recline switch is operated in the rearward direction the scan tool displays Active.

Horizontal Forward Switch: The scan tool displays Active or Inactive. When the horizontal seat adjuster switch is operated in the forward direction the scan tool displays Active.

Horizontal Rearward Switch: The scan tool displays Active or Inactive. When the horizontal seat adjuster switch is operated in the rearward direction the scan tool displays Active.

Rear Vertical Upward Switch: The scan tool displays Active or Inactive. When the rear vertical adjuster switch is operated in the upward direction the scan tool displays Active.

Rear Vertical Downward Switch: The scan tool displays Active or Inactive. When the rear vertical adjuster switch is operated in the downward direction the scan tool displays Active.

Front Vertical Upward Switch: The scan tool displays Active or Inactive. When the front vertical adjuster switch is operated in the upward direction the scan tool displays Active.

Front Vertical Downward Switch: The scan tool displays Active or Inactive. When the front vertical adjuster switch is operated in the downward direction the scan tool displays Active.

Front Vertical Position: The scan tool displays 0 to 65535 counts. The counts displayed are calculated by the memory seat module using the signal circuit input from the front vertical seat position sensor.

Rear Vertical Position: The scan tool displays 0 to 65535 counts. The counts displayed are calculated by the memory seat module using the signal circuit input from the rear vertical seat position sensor.

Horizontal Position: The scan tool displays 0 to 65535 counts. The counts displayed are calculated by the memory seat module using the signal circuit input from the horizontal seat position sensor.

Torso Position: The scan tool displays 0 to 65535 counts. The counts displayed are calculated by the memory seat module using the signal circuit input from the torso bolster position sensor.

Horizontal Lumbar Position: The scan tool displays 0 to 65535 counts. The counts displayed are calculated by the memory seat module using the signal circuit input from the lumbar support position sensor.

Vertical Lumbar Position: The scan tool displays 0 to 65535 counts. The counts displayed are calculated by the memory seat module using the signal circuit input from the lumbar support position sensor.

Recline Position: The scan tool displays 0.0 to 5.0 volts. The voltage displayed is an input to the memory seat module from the recline position sensor.

Mem 1 Front Vertical Value: The scan tool displays 0 to 65535 counts. The value displayed is the front vertical seat position sensor counts stored by the memory seat module as the memory 1 position setting.

Mem 2 Front Vertical Value: The scan tool displays 0 to 65535 counts. The value displayed is the front vertical seat position sensor counts stored by the memory seat module as the memory 2 position setting.

Mem 1 Horizontal Value: The scan tool displays 0 to 65535 counts. The value displayed is the horizontal seat position sensor counts stored by the memory seat module as the memory 1 position setting.

Mem 2 Horizontal Value: The scan tool displays 0 to 65535 counts. The value displayed is the horizontal seat position sensor counts stored by the memory seat module as the memory 2 position setting.

Mem 1 Rear Vertical Value: The scan tool displays 0 to 65535 counts. The value displayed is the rear vertical seat position sensor counts stored by the memory seat module as the memory 1 position setting.

Mem 2 Rear Vertical Value: The scan tool displays 0 to 65535 counts. The value displayed is the rear vertical seat position sensor counts stored by the memory seat module as the memory 2 position setting.

Mem 1 Recline Value: The scan tool displays 0.0 to 5.0 volts. The value displayed is the recline position sensor signal voltage stored by the memory seat module as the memory 1 position setting.

Mem 2 Recline Value: The scan tool displays 0.0 to 5.0 volts. The value displayed is the recline position sensor signal voltage stored by the memory seat module as the memory 2 position setting.

Software Part Number: The scan tool displays the software identification number in the memory seat module.

Software Design Suffix: The scan tool displays the version of the software part number in the memory seat module.

Driver Door Module

Memory Switch: The scan tool displays Memory 1, Memory 2, Both, or Idle. The scan tool displays the current memory switch status determined by the memory 1 and memory 2 signal circuit inputs to the driver door module.