HDMI Interface

Model 3/Y HDMI InterfaceEVOffer

Product Compatibility

Variant A

• Tesla Model 3 2019-2020 (Intel)

• Tesla Model 3 2021 (Intel)

• Tesla Model Y 2020-2021 (Intel)

Variant B

• Tesla Model 3 2022-2023 (AMD)

• Tesla Model Y 2022-2023 (AMD)

Variant C

• Tesla Model Y 2024 (AMD & HW4 Computer)

Variant D (Coming Soon)

• Tesla Model 3 2024+ (Highland)

Packing List

1. HDMI Interface ECU

2. LCD Cable

3. LCD Extension Cable

4. Power and CAN Cable (For Intel MCU)

5. Power and CAN Cable (For AMD MCU)

6. Remote Control

7. Toggle Button with Cable

8. Infrared Receiver with Cable

9. AUX Cable

10. FM Transmitter

Cable Connection

1. PWR/CAN: Connect provided Power and CAN Cable

2. CAM IN: Future Use

3. AUX OUT: Connect provided AUX cable

4. B/T SUB: No Use

5. T/S OUT: Future Use

6. HDMI IN: HDMI input

7. LVDS-IN: Future Use

8. OEM IN: Connect the supplied LCD cable to the OEM head unit

9. OEM OUT: Connect the OEM LCD cable coming from the OEM monitor

10. MODE: Connect provided toggle button cable

11. IR: Connect provided infrared receiver cable

12. DFU: Connect USB Type-C Cable for firmware update

13. DIP S/W: DIP SWITCH setting

Installation

Step 1 - Run the Power and CAN Harness

The ECU harness includes 2 sets of Power and CAN Cable. Depending on the model year of your car, you'll connect the power, ground, and CAN Bus in different locations:

For Variant A

Refer to "Method 1 - Power & CAN Connection on Intel MCU" from the following guide.

For Variant B

Refer to "Method 3 - Power & CAN Connection below Right A-Pillar" from the following guide.

For Variant C

Refer to "Method 2 - Power & CAN Connection below Rear Air Vent" from the following guide.

Power and CAN Connection | Tesla Model 3 | EVOffer Installation Guideevoffer.gitbook.io

Step 2 - Connect the LVDS Cable

Remove the bottom cover on the passenger side (FRONT RIGHT for LHD cars / FRONT LEFT for RHD cars). It is secured by 3 push pins.

Disconnect the LVDS connector from the MCU. Connect to to the LCD Extension Cable we provided.

Connect the LCD Cable to the OEM LVDS port.

Connect the other side to the interface. The L-shape connector goes to the socket on the side.

Step 3 - Connect the IR Receiver and Toggle Button

Connect the IR receiver and toggle button to the interface.

Run the 2 wires to the driver side and stick them at a location that is easy to access.

Step 4 - Dip Switch Settings

PIN	1	2	3	4	5	6	7	8
OFF (UP)	LVDS Mode ON	HDMI Mode ON	Intel Atom MCU	Normal Display	Sleep by CAN and B+	Reserved	Reserved	LHD
ON (DOWN)	LVDS Mode SKIP	HDMI Mode SKIP	AMD Ryzen MCU	"Rev H" Display*	Sleep by Car ACC	Reserved	Reserved	RHD

Please make sure to disconnect the power cable of the interface and reconnect the power cable again to apply the dip switch changes.

Texts highlighted in Orange are default value. For Dip Switch 3 / 8, please choose according to your car variation.

*For Dip Switch 4, please try to set it to OFF (UP) first. If the display does not work correctly, try to switch to ON (DOWN).

Step 5 - Connect the Audio Output Signal to FM Transmitter (Optional)

Step 6 - Set Up the System

Follow the dip-switch settings on the following user manual to finish setting up the system.

Model 3/Y HDMI Interface | EVOffer User Guideevoffer.gitbook.io