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

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

Belt Tower Down - Input: The scan tool displaysInactive/Active. When the headrest down switch is activated, the scan toolwill momentarily display the switch input to the memory seat module asActive.

Belt Tower Down - Output: The scan tool displaysInactive/Active. When the headrest down switch is activated or when a memoryrecall occurs, the scan tool will momentarily display Active while theoutput from the memory seat module is commanding the headrest motor inthe down direction.

Belt Tower 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 headrest position. High scan tool values(Volts or A/D) indicate that the headrest is in the up position and lowvalues indicate that theheadrest is in the down position.

Belt Tower Up - Input: The scan tool displaysInactive/Active. When the headrest up switch is activated, the scan toolwill momentarily display the switch input to the memory seat module asActive.

Belt Tower Up - Output: The scan tool displaysInactive/Active. When the headrest up switch is activated or when a memoryrecall occurs, the scan tool will momentarily display Active while theoutput from the memory seat module is commanding the headrest motor inthe up direction.

Calibration ID: The scan tool displays a 4 digitnumber. 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.

Dr. Rear Heated Seats: The scan tool displays Off/High/Low. When the LH rear heated seat switch is activated, the scan tool will display the output from the RIM to the LH rear heated seat module as selected High or Low.

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 scantool values (Volts or A/D) indicate that the seat front is in the up positionand low values indicate that the seat front is in the down position.

Heated Seats Inhibit: The scan tool displays Off/Inhibit. When a load shed signal is received by the rear integration module (RIM)from the driver information module (DIM), the output of the RIM will display Inhibit.

Heated Seats Status: The scan tool displays On/Off. When a heated seat function is on, the scan tool will display the statusinput from the heated seat module as On.

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 toolvalues (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.

Left Rear Heated Seat: The scan tool displays Off/On. When the LH rear heated seat switch is activated, the scan tool will momentarily display the switch input as On, via a class 2 message from the LH rear door module.

LH Drvr Personalization: This is the state of the personalization option for a domestic vehicle as it is stored in the dash integration module (DIM). When the LH Drvr Personalization is selected, the scan tool displays the directions to activate or deactivate the personalization option. The asterisk displayed 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.

Load Shed Lvl. 1 Heated Seats: The Scan tool displays Enable/Disabled. 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 Seats: The scan tooldisplays Enable/Disabled. During heavy loading conditions, the driver information module (DIM) will send out a class 2 message to the rear integrationmodule (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/Set. When a memory function switch is activated, the scan tool will momentarily display the switch input to the driver door module as selected.

Pass. Rear Heated Seats: The scan tool displays Off/High/Low. When the RH rear heated seat switch is activated, the scan tool will display the output from the RIM to the RH rear heated seat module as selected High or Low.

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.

RH Drvr Personalization: This is the state of the personalization option for a export vehicle as it is stored in the dash integration module (DIM). When the RH Drvr Personalization is selected, the scan tool displays the directions to activate or deactivate the personalization option. The asterisk displayed 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.

Right Rear Heated Seat: The scan tool displays Off/On. When the RH rear heated seat switch is activated, the scan tool will momentarily display the switch input as On, via a class 2 message from the RH rear door module.

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 memoryrecall occurs, the scan tool will momentarily display Active while theoutput from the memory seat module is commanding the seat horizontal motorin 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 displaysInactive/Active. When the seat front vertical down switch is activated orwhen a memory recall occurs, the scan tool will momentarily display Activewhile the output from the memory seat module iscommanding the seat frontvertical motor in the down direction.

Seat Front Up - Input: The scan tool displaysInactive/Active. When the seat front up switch is activated, the scan toolwill momentarily display the switch input to the memory seat module asActive.

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

Seat Lumbar Down - Input: The scan tool displaysInactive/Active. When the seat lumbar down switch is activated, the scantool will momentarily display the switch input to the memory seat moduleas Active.

Seat Lumbar Down - Output: The scan tool displaysInactive/Active. When the seat lumbar down switch is activated or when amemory recall occurs, the scan tool will momentarily display Active whilethe output from the memory seat module is commanding the lumbar verticalmotor in the down direction.

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

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

Seat Lumbar Up - Input: The scan tool displaysInactive/Active. When the seat lumbar up switch is activated, the scan toolwill momentarily display the switch input to the memory seat module asActive.

Seat Lumbar Up - Output: The scan tool displaysInactive/Active. When the seat lumbar up switch is activated or when a memoryrecall occurs, the scan tool will momentarily display Active while theoutput from the memory seat module is commanding the lumbar vertical motorin the up direction.

Seat Rear Down - Input: The scan tool displaysInactive/Active. When the seat rear down switch is activated, the scan toolwill momentarily display the switch input to the memory seat module asActive.

Seat Rear Down - Output: The scan tool displaysInactive/Active. When the seat rear down switch is activated or when a memoryrecall occurs, the scan tool will momentarily display Active while theoutput from the memory seat module is commanding the seat rear verticalmotor 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 momentarilydisplay the switch input to the memory seat module as Active.

Seat Rear Up - Output: The scan tool displaysInactive/Active. When the seat rear up switch is activated or when a memoryrecall occurs, the scan tool will momentarily display Active while theoutput from memory seat module is commanding the seat rear vertical motorin the up direction.

Seat Rearward - Input: The scan tool displaysInactive/Active. When the seat rearward switch is activated, the scan toolwill momentarily display the switch input to the memory seat module asActive.

Seat Rearward - Output: The scan tool displaysInactive/Active. When the seat rearward switch is activated or when a memoryrecall occurs, the scan tool will momentarily display Active while theoutput from the memory seat module is commanding the seat horizontal motorin 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 seat module as Active.

Seat Recline Forward - Output: The scan tool displays Inactive/Active. When the seat recline forward switch is activated or whena memory recall occurs, the scan tool will momentarily 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, thescan tool will momentarily display the switch input to the memory seatmodule as Active.

Seat Recline Rearward - Output: The scan tooldisplays Inactive/Active. When the seat recline rearward switch is activatedor when a memory recall occurs, the scan tool will momentarily displayActive 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.