Replace Graphene Block

Before the old temperature and humidity sensor can be installed on the new windshield, the graphene block must be replaced as described in the following steps.

1. Prepare the ESD kit
   CAUTION: Improper use of the ESD kit can result in damage to components.
   NOTE: Refer to TN-14-92-003, "Electrostatic Discharge Tool".

   Courtesy of TESLA, INC.

2. Place the ESD mat flat onto a workbench so that the button connector is closest to the grounding point (outlet, vehicle chassis, etc.)

   Courtesy of TESLA, INC.

3. Snap the button connector on the ground cord to the button connector on the ESD mat
   NOTE: Make sure the connector is securely fastened to the ESD mat

   Courtesy of TESLA, INC.

   Courtesy of TESLA, INC.

4. Remove the alligator clip adapter from the end of the wrist strap to expose the banana plug

   Courtesy of TESLA, INC.

5. Connect the banana plug on the wrist strap to the ground cord

   Courtesy of TESLA, INC.

6. Connect the ground cord to a ground source. Choose from:
   1. Per TN-14-92-003-R1, Service Centers with NEMA 5-15 outlets, perform the following:
      1. Plug the ground indicator into the outlet and confirm the 2 lights on the right are lit.
      2. Remove the alligator clip adapter from the end of the ground cord to expose the banana plug.
      3. Plug the banana plug on the ground cord into the ground indicator.
   2. Service Centers with grounded, non-NEMA 5-15 outlets, perform the following:
      1. Plug the appropriate adapter into the outlet.
         NOTE: Service Centers with grounded, non-NEMA 5-15 outlets need to supply an adapter suitable to connect the ground indicator to their regional outlet type. If you are unable to obtain an adapter, contact ServiceTooling@teslamotors.com for assistance. b. Plug the ground indicator into the adapter and confirm the 2 lights on the right are lit. c. Remove the alligator clip adapter from the end of the ground cord to expose the banana plug. d. Plug the banana plug on the ground cord into the ground indicator. • Service Centers with non-grounded outlets a. Clip the alligator clip adapter on the ground cord onto any unpainted metal part of the vehicle.
      2. Plug the ground indicator into the adapter and confirm the 2 lights on the right are lit.
      3. Remove the alligator clip adapter from the end of the ground cord to expose the banana plug.
      4. Plug the banana plug on the ground cord into the ground indicator.
   3. Service Centers with non-grounded outlets, perform the following:
      1. Clip the alligator clip adapter on the ground cord onto any unpainted metal part of the vehicle.

   Courtesy of TESLA, INC.

   Courtesy of TESLA, INC.

7. Put on ESD wrist strap

   Courtesy of TESLA, INC.

8. Remove graphene foam block from temperature and humidity sensor
   NOTE: Apply heat to area around adhesive and gently lift up with tweezers

   Courtesy of TESLA, INC.

9. Clean area where temperature and humidity sensor foam block will rest
   NOTE: Allow 1 minute dry time

   Courtesy of TESLA, INC.

10. Using tweezers, carefully install the graphene block onto the temperature and humidity sensor.
    NOTE: Make sure the graphene block is installed completely inside of the gold square and that the hole closest to the chip remains uncovered.

    Courtesy of TESLA, INC.

    Courtesy of TESLA, INC.

11. Remove the ESD wrist strap

    Courtesy of TESLA, INC.