Launch X431 Tesla Cables Function and Wiring

Launch X431 Tesla Cables Function and Wiring

The Launch X431 series tools support the diagnosis of EV vehicles, including Tesla vehicles. To diagnose new energy vehicles, you need to purchase additional accessories and software. This article will take Tesla as an example to introduce how to use the Launch X431 EV Diagnostic Kit to connect and diagnose EV vehicles.

 

Content:

Launch X431 Tesla 12+20 connector

Launch X431 Tesla airbag reset adapter

Launch X431 Tesla 3 battery test cable

Launch X431 Tesla LAN adapters

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 VII, PAD V, PAD II, X431 V 8inch, X431 V+, X431 Pro5, Pros V1.0, Pros V5.0, Pro3s+, X431 Throttle etc)

Launch X431 Tesla Cables Function and Wiring

 

Purchase Tesla software and the supported vehicle list here:

https://www.x431shop.eu/wholesale/launch-x431-tesla-diagnostic-software-license.html

 

1. Launch Tesla 12+20 Connector

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

Launch X431 Tesla Cables Function and Wiring

 

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.

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

Wiring diagram:

Launch X431 Tesla Cables Function and Wiring

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

 

2.Tesla Airbag Reset Adapter

Launch X431 Tesla Cables Function and Wiring

 

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

1). Model X airbag control module pinout

Launch X431 Tesla Cables Function and Wiring

+12V: 12V Power

GND: Ground

CAN_H: CAN High

CAN_L: CAN LOW

 

Model X Tesla airbag connector connection diagram:

Launch X431 Tesla Cables Function and Wiring

 

2). Model S airbag control module pinout

Launch X431 Tesla Cables Function and Wiring

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:

Launch X431 Tesla Cables Function and Wiring

 

Example:

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

3). Model 3 airbag control module pinout

Launch X431 Tesla Cables Function and Wiring

 

Model 3 Tesla airbag connector connection diagram:

Launch X431 Tesla Cables Function and Wiring

 

4). Model 3/Y Airbag Unlock Wiring Diagram

Launch X431 Tesla Cables Function and Wiring

 

3. Tesla 3 Battery Test Cable 152, RoHS

The cable is included in the Launch X431 EV kit

Launch X431 Tesla Cables Function and Wiring

This test cable is used to test the data flow of the three-electric system and test battery pack of Model 3 and Model Y models.

The EV kit is compatible with PAD V and PAD VII only at present.

 

4. Launch X431 New Energy LAN network port diagnostic connector

Launch X431 Tesla Cables Function and Wiring

Used in local area network (LAN) function (car enters maintenance mode), currently supported products: X-431 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.

 

Wiring diagrams:

1). 2018 onwards Model 3/Model Y

Launch X431 Tesla Cables Function and Wiring

 

2). 2022 onwards Model S/Model X

Launch X431 Tesla Cables Function and Wiring

 

3). 2018-2021 Model S/Model X

Launch X431 Tesla Cables Function and Wiring

 

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

Launch X431 Tesla Cables Function and Wiring

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