GM Service Manual Online
For 1990-2009 cars only
8 - Digit GM Part Number: The scan tool displays the part number of the module.

Battery Voltage: The scan tool displays 0-16 Volts. The voltage measured between the module's battery positive circuit and ground circuit.

Calibration ID: The scan tool displays a 4 digit number. This number designates the calibration or program level used in the PROM.

Current: The scan tool displays 0-127.5 amps. The amount of amps used during seat operation.

Driver Heated Seat: The scan tool displays Off/High/Low. When the driver heated seat switch is pressed, the scan tool will display the output from the rear integration module (RIM) to the heated seat module as selected High or Low.

Driver Heated Seat Status: The scan tool displays On/Off. When the heated seat is on, the scan tool will display the status input from the rear integration module as On.

Driver Heated Seat Sw.: The scan tool displays On/Off. When the driver heated seat switch is pressed, the scan tool will momentarily display the switch input to the driver door module as ON.

Front Vertical Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the seat front vertical position. High scan tool values (Volts or A/D) indicate that the seat front is in the up position and low values indicate that the seat front is in the down position.

Horizontal Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the seat horizontal position. High scan tool values (Volts or A/D) indicate that the seat is in the forward position and low values indicate that the seat is in the rearward position.

Julian Date of Build: The scan tool displays a 3 -- digit number. This number is the day of the year that the module was built.

Load Shed Lvl. 1 Heated Seat: The scan tool displays Disabled/Enable. During a pre-determined heavy loading condition, the driver information module (DIM) will send out a class 2 message to the rear integration module (RIM) that a load shed level 1 is in effect and the scan tool will display Enable.

Load Shed Lvl. 2 Heated Seat: The scan tool displays Disabled/Enable. During a pre-determined heavy loading condition, the driver information module (DIM) will send out a class 2 message to the rear integration module (RIM) that a load shed level 2 is in effect and the scan tool will display Enable.

Lumbar Horizontal Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the lumbar horizontal position. High scan tool values (Volts or A/D) indicate that the Lumbar is in the forward position and low values indicate that the lumbar is in the rearward position.

Lumbar Vertical Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the lumbar vertical position. High scan tool values (Volts or A/D) indicate that the lumbar is in the up position and low values indicate that the lumbar is in the down position.

Memory Recall Switches: The scan tool displays Idle/Memory 1/memory 2/Exit. When a memory function switch is pressed, the scan tool will momentarily display the function as selected.

Pass. Heated Seat Status: The scan tool displays On/Off. When the heated seat is on, the scan tool will display the status input from the rear integration module (RIM) as On.

Pass. Heated Seat SW.: The scan tool displays On/Off. When the passenger heated seat switch is pressed, the scan tool will momentarily display the switch input to the driver door module as ON.

Passenger Heated Seat: The scan tool displays Off/High/Low. When the passenger heated seat switch is pressed, the scan tool will display the output from the rear integration module (RIM) to the heated seat module as selected High or Low.

Personalization Option: This is the state of the personalization option as it is stored in the Dash Integration Module (DIM). When the Personalization Option is selected, the scan tool displays the directions to activate or deactivate the personalization option. The asterisk beside the option indicates that the personalization option is activated. The personalization option is normally set to the activated state during assembly of the vehicle.

PROM ID: The scan tool displays a 4 digit number. This is the identification number of the PROM that is incorporated into the module.

Rear Vertical Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the seat rear vertical position. High scan tool values (Volts or A/D) indicate that the seat rear vertical is in the up position and low values indicate that the seat rear vertical is in the down position.

Recline Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the seat recline position. High scan tool values (Volts or A/D) indicate that the seat recline is in the froward position and low values indicate that the seat recline is in the rearward position.

Seat Forward -Input: The scan tool displays Inactive/Active. When the seat forward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Forward - Output: The scan tool displays Inactive/Active. When the seat forward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat horizontal motor in the forward direction.

Seat Front Down - Input: The scan tool displays Inactive/Active. When the seat front down switch is activated the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Front Down - Output: The scan tool displays Inactive/Active. When the seat front down switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat front vertical motor in the down direction.

Seat Front Up - Input: The scan tool displays Inactive/Active. When the seat front up switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Front Up - Output: The scan tool displays Inactive/Active. When the seat front up switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat front vertical motor in the up direction.

Seat Lumbar Down - Input: The scan tool displays Inactive/Active. When the seat lumbar down switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Lumbar Down - Output: The scan tool displays Inactive/Active. When the seat lumbar down switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the lumbar vertical motor in the down direction.

Seat Lumbar Forward - Input: The scan tool displays Inactive/Active. When the seat lumbar forward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Lumbar Forward - Output: The scan tool displays Inactive/Active. When the seat lumbar forward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the lumbar horizontal motor in the forward direction.

Seat Lumbar Up - Input: The scan tool displays Inactive/Active. When the seat lumbar up switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Lumbar Up - Output: The scan tool displays Inactive/Active. When the seat lumbar up switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the lumbar vertical motor in the up direction.

Seat Lumbar Rearward - Input: The scan tool displays Inactive/Active. When the seat lumbar rearward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Lumbar Rearward - Output: The scan tool displays Inactive/Active. When the seat lumbar rearward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the lumbar horizontal motor in the rearward direction.

Seat Rear Down - Input: The scan tool displays Inactive/Active. When the seat rear down switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Rear Down - Output: The scan tool displays Inactive/Active. When the seat rear down switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat rear vertical motor in the down direction.

Seat Rear Up - Input: The scan tool displays Inactive/Active. When the seat rear up switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Rear Up - Output: The scan tool displays Inactive/Active. When the seat rear up switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat rear vertical motor in the up direction.

Seat Rearward - Input: The scan tool displays Inactive/Active. When the seat rearward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Rearward - Output: The scan tool displays Inactive/Active. When the seat rearward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat horizontal motor in the rearward direction.

Seat Recline Forward - Input: The scan tool displays Inactive/Active. When the seat recline forward switch is activated, the scan tool will momentarily display the switch input to the memory sear module as Active.

Seat Recline Forward - Output: The scan tool displays Inactive/Active. When the seat recline forward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat recline motor in the forward direction.

Seat Recline Rearward - Input: The scan tool displays Inactive/Active. When the seat recline rearward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Recline Rearward - Output: The scan tool displays Inactive/Active. When the seat recline rearward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat recline motor in the rearward direction.

Year Module Built: The scan tool displays a 4 digit number. This number represents the year the module was built.