Driver Seat Adjuster Memory Module Scan Tool Information
WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Driver Position Module
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON/Engine OFF | |||
| Battery Voltage | - | Varies | Displays the voltage of the battery positive supply circuit to the driver seat module |
| Drvr. Seat Heat Sensor | - | Varies | The scan tool displays the voltage level of the seat heat sensor signal circuit to the driver seat module. When the seat is cold the scan tool will display near 5 volts and as the seat temperature rises the signal voltage will decrease to near 0.0 volts. |
| Driver Seat Heat Zone | - | Off | Displays the active seat heat zones. The scan tool will display Back Only when the heated seat back is operating in the low, medium, or high modes and the heated seat cushion is off. Back and Cushion will be displayed when both heater elements are operating in the low, medium, or high modes. |
| Driver Seat Temp. Setting | - | Off | Displays the current status of the heated seat temperature setting during back only or back and cushion heating modes. |
| Exit Horiz Lumbar Value | - | Varies | Displays the current value in the driver seat module for horizontal lumbar position when exiting the vehicle. |
| Front Vertical Motor | - | Inactive | Displays the current state of the front vertical motor. |
| Front Vertical Position | - | Varies | Displays 0 to 5 volts for the current position of the seat. When the front of the driver seat is at the down stop the volts are near 0. As the rear of the driver seat is raised the voltage will increase until the up stop is reached where the voltage will be near 5 volts. |
| Front Vertical Position Switch | - | Inactive | Displays the current status of the seat front vertical adjuster switch up, down, or inactive. |
| Horizontal Lumbar Motor | - | Inactive | Displays the current state of the horizontal lumbar motor. |
| Horizontal Lumbar Position | - | Varies | Displays 0 to 5 volts for the current position of the lumbar support. When the lumbar is at the rearward stop the volts are near 0. As the horizontal lumbar is moved forward the voltage will increase until the forward stop is reached where the voltage will be near 5 volts. |
| Horizontal Motor | - | Inactive | Displays the current state of the horizontal motor. |
| Horizontal Position Switch | - | Inactive | Displays the current status of the seat horizontal adjuster switch forward, backward, or inactive. |
| Horizontal Value | - | Varies | The scan tool displays the current value in the driver seat module for the horizontal value. |
| Ign. Since Current DTC | - | Varies | Displays the number of ignition cycles on/off since the DTC set. |
| Last Memory Recall | - | Invalid | Displays the current value in the driver seat module for the last memory button pressed. |
| Last Memory Set | - | Invalid | Displays the current value in the driver seat module for the last memory setting. |
| Lumbar Switches | - | Idle | Displays the current status of the seat lumbar switch. The scan tool will display the direction that the lumbar switch is being operated |
| Mem 1 Front Vertical Value | - | Varies | Displays the current value in the driver seat module for seat position when using the memory switch 1 to recall a set position. |
| Mem 1 Horiz Lumbar Value | - | Varies | Displays the current value in the driver seat module for horizontal lumbar position when using the memory switch 1 to recall a set position. |
| Mem1 Horizontal Value | - | Varies | Displays the current value in the driver seat module for seat position when using the memory switch 1 to recall a set position. |
| Mem 1 Rear Vertical Value | - | Varies | Displays the current value in the driver seat module for seat position when using the memory switch 1 to recall a set position. |
| Mem 1 Recline Value | - | Varies | Displays the current value in the driver seat module for seat position when using the memory switch 1 to recall a set position. |
| Mem 2 Front Vertical Value | - | Varies | Displays the current value in the driver seat module for seat position when using the memory switch 2 to recall a set position. |
| Mem 2 Horiz Lumbar Value | - | Varies | Displays the current value in the driver seat module for horizontal lumbar position when using the memory switch 2 to recall a set position. |
| Mem 2 Horizontal Value | - | Varies | Displays the current value in the driver seat module for seat position when using the memory switch 2 to recall a set position. |
| Mem 2 Rear Vertical Value | - | Varies | Displays the current value in the driver seat module for seat position when using the memory switch 2 to recall a set position. |
| Mem 2 Recline Value | - | Varies | Displays the current value in the driver seat module for seat position when using the memory switch 2 to recall a set position. |
| Passenger Seat Temp. Setting | - | Off | The scan tool displays Off, Low, Med and High. This is the status of the passenger's temp. setting. |
| Pedal Position | - | Varies | The scan tool displays 0.0-5.0 volts. The voltage displayed is the input to the driver seat module from the adjustable pedal motor position sensor. |
| Psgr. Seat Heat Sensor | - | Varies | The scan tool displays the voltage level of the seat heat sensor signal circuit to the driver seat module. When the seat is cold the scan tool will display near 5 volts and as the seat temperature rises the signal voltage will decrease to near 0.0 volts. |
| Psgr. Seat Heat Zone | - | Off | Displays the active seat heat zones. The scan tool will display Back Only when the heated seat back is operating in the low, medium, or high modes and the heated seat cushion is off. Back and Cushion will be displayed when both heater elements are operating in the low, medium, or high modes. |
| Rear Vertical Motor | - | Inactive | Displays the current state of the rear vertical motor. |
| Rear Vertical Position | - | Varies | Displays 0 to 5 volts for the current position of the seat. When the rear of the driver seat is at the down stop the volts are near 0. As the rear of the driver seat is raised the voltage will increase until the up stop is reached where the voltage will be near 5 volts. |
| Recliner Motor | - | Inactive | Displays the current state of the recliner motor. |
| Recline Position | -- | Varies | Displays 0 to 5 volts for the current position of the seat. When the driver seat back is at the rearward stop the volts are near 0. As the driver seat back is moved forward the voltage will increase until the forward stop is reached where the voltage will be near 5 volts. |
| Recline Switch | - | Inactive | Displays the current status of the seat recline adjuster switch forward, backward, or inactive. |
| Recline Vertical Position Switch | - | Inactive | Displays the current status of the seat rear vertical adjuster switch up, down, or inactive. |
| Seat Front Vertical Exit Position | - | Varies | The scan tool displays the current value of driver seat module front vertical exit position. |
| Seat Horizontal Exit Position | - | Varies | The scan tool displays the current value of the driver seat module horizontal exit position. |
| Seat Horizontal Position | - | Varies | Displays 0 to 5 volts for the current position of the seat. When the driver seat is at the rearward stop the volts are near 0. As the driver seat is moved forward the voltage will increase until the forward stop is reached where the voltage will be near 5 volts. |
| Seat Rear Vertical Exit Position | - | Varies | The scan tool displays the current value of the driver position module rear vertical exit position. |
| Seat Recline Exit Position | - | Varies | The scan tool displays the current value of the driver position module recline exit position. |
Driver Seat Module Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Driver Heated Seat | This output control commands the driver heated seat on. |
| Front Up/Down | The memory seat module will activate the front vertical motor up or down. |
| Lumbar Forward/Rearward | The memory seat module will activate the horizontal lumbar motor forward or rearward. |
| Passenger Heated Seat | This output control commands the passenger heated seat on. |
| Pedals Forward/Rearward | This output control will command the brake pedals forward or rearward. |
| Rear Up/Down | The memory seat module will activate the rear vertical motor up or down. |
| Recline Forward/Rearward | The memory seat module will activate the recline motor forward or rearward. |
| Seat Forward/Rearward | The memory seat module will activate the horizontal seat motor forward or rearward. |