Launch X431 Tesla Adapters and Pinouts

Here comes the Launch X431 Tesla adapter function list and wiring diagrams. Hope it helps.

 

Content:

  • Launch X431 Tesla 12+20 connector
  • Launch X431 Tesla airbag reset adapter
  • Launch X431 Tesla 3 battery test cable
  • Launch X431 Tesla LAN adapter

 

To use these adapters you should have Tesla software activated on your Launch X431 scanners.

The software for “TESLA” is compatible with LAUNCH X431 PAD VIIPAD V, PAD II, X431 V 8inchX431 V+, X431 Pro5, Pros V1.0, Pros V5.0, Pro3s+, X431 Throttle etc)

Launch X431 Pad V Tesla 2

Check how to purchase Tesla software and the supported vehicle list here

https://www.obdii365.com/wholesale/launch-x431-tesla-diagnostic-software.html

 

1. Launch Tesla 12+20 Connector

The Tesla 12+20 adapter is included in the Launch X431 EV kit

It can be purchased alone as well. 

Launch X431 Tesla 12 20 Pin 1

The connector can be used on Model S and Model X vehicles.

Function: 

Basic Function including ECU Information, Live Data, Read/ Erase Codes, as well as Special Functions including BMS Reset Alert, BMS Clear Contactor Stress Index, EPB Service Mode, Brake Bleed etc for Model X and Model S.

The specific wiring diagram is shown in Figure 2. The first part is the Tesla 12+20 connector (12PIN) wiring diagram, which is applicable to S (X) models produced before September 2015 (including September). The second part is the Tesla 12+20 connector (20PIN) wiring diagram, which is applicable to S (X) models produced after September 2015.

Check vehicle and function coverage here http://qcar.x431.com/qcar/#/

 

Wiring diagram:

Launch X431 Tesla 12 20 Pin 2

Launch X431 Tesla 20 Pin Cable 4

1.12 PIN connector: (located below the central control screen) for diagnostics of pre-2015/Sept Model S and Model X

2. 20PIN connector: (located below the central control screen) for diagnostics of post-2015/Sept Model S and Model X

* Need to supply 12V external power supply to the Smartlink VCI connector.

Launch X431 Tesla 20 Pin Cable 4

 

 

 

2.Tesla Airbag Reset Adapter

The picture of Tesla airbag repair special connector is shown below

Launch X431 Tesla Airbag Reset Adapter 1

The Tesla airbag repair dedicated connector is mainly used to reset the airbag crash data.

 

1). Model X airbag control module pinout

The flying wires and pins of the airbag control unit interface for Model X are shown below

Launch X431 Tesla Airbag Reset Adapter 2

+12V: 12V Power

GND: Ground
CAN_H: CAN High
CAN_L: CAN LOW

 

Model X Tesla airbag connector connection diagram:

The wiring diagram of the Model X Tesla airbag repair dedicated connector is shown below

Launch X431 Tesla Airbag Reset Adapter 3

2). Model S airbag control module pinout

The flying wires and pin descriptions of the airbag control unit interface for Model S models are shown below

Launch X431 Tesla Airbag Reset Adapter 4

PW: Jump wire, short the two positions to enable it to write EEPROM;

+12V: 12V Power

GND: Ground
CAN_H: CAN High
CAN_L: CAN LOW

 

Model S Tesla airbag connector connection diagram:

The wiring diagram of the Model S Tesla airbag repair dedicated connector is shown below

Launch X431 Tesla Airbag Reset Adapter 5

Example:

How to Reset Tesla Model S Airbag Crash Data with Launch X431?

3). Model 3 airbag control module pinout

The flying wires and pin descriptions of the airbag control unit interface for Model 3 are shown below

Launch X431 Tesla Airbag Reset Adapter 6

Model 3 Tesla airbag connector connection diagram:

The wiring diagram of the Model 3 Tesla airbag repair dedicated connector is shown below

Launch X431 Tesla Airbag Reset Adapter 7

4). Model 3/Y Airbag Unlock Wiring Diagram

Launch X431 Tesla Airbag Reset Adapter 8

 

 

3. Tesla 3 Battery Test Cable 152, RoHS

The cable is included in the Launch X431 EV kit

 

The picture of the 124 Tesla 3 battery pack test line is shown below

Launch X431 Tesla Battery Test Cable 1

Used for Tesla battery pack low-voltage communication interface and battery pack testing.

 

Tesla 3 battery pack test line 152 models, RoHS

Tesla 3 battery pack test line 152 models, RoHS image as shown

Launch X431 Tesla 152 Cable

This test line is used for testing the data flow of the three electric systems of Model 3 and Model Y models, as well as for testing the battery pack.

The EV kit is compatible with PAD VIIX431 PAD V, Pro5, PAD VII Elite, PRO3 V+ 5.0, PRO3(PRO3S+ V5.0), PRO3 ACE, PRO3 APEX etc diagnostic scanners.

 

 

4. X-431 New Energy LAN Network Interface Diagnostic Connector Configuration Connector

Launch X431 New Energy LAN network port diagnostic connector

Launch X431 Tesla Lan Adapter 1

Used in local area network (LAN) function to enable Tesla Service Mode, currently supported products: X-431 PAD III, PAD V, PAD VII series, EV MAX, X431 PRO 3S+ V3.0/V5.0 diagnostic equipment, Simplified Chinese, Traditional Chinese, Japanese, Korean, Arabic and Russian software.

The specific equipment wiring diagram is shown below:

 

Wiring diagrams

Launch X431 Tesla LAN Cable 1

1). 2018 onwards Model 3/Model Y

Launch X431 Tesla Lan Adapter 5

2). Model S/X from 2012 to 2018

Launch X431 Tesla Lan Adapter 3

3). 2022 onwards Model S/Model X

Launch X431 Tesla Lan Adapter 4

4). 2012-2018 Model S/Model X

Launch X431 Tesla Lan Adapter 5

4). 2014-2018 Model S/X Tegra chip MCU

 

Check: How to Enable Tesla Service Mode with Launch X431 & LAN Cables

How to Enable Tesla Service Mode with Launch X431?

 

 

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