Launch X431 Tesla Cables 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 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)

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

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:

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

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

1). Model X airbag control module pinout

+12V: 12V Power

GND: Ground
CAN_H: CAN High
CAN_L: CAN LOW

Model X Tesla airbag connector connection diagram:

2). Model S airbag control module pinout

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:

Example:

3). Model 3 airbag control module pinout

Model 3 Tesla airbag connector connection diagram:

4). Model 3/Y Airbag Unlock Wiring Diagram

3. Tesla 3 Battery Test Cable 152, RoHS

The cable is included in the Launch X431 EV kit

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

Used in local area network (LAN) function to enable Tesla Service 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

2). 2022 onwards Model S/Model X

3). 2018-2021 Model S/Model X

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

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Comments

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