2. Support Data Processing, anti-theft shutdown and file verification.

Launch X431 

Launch X431 ECU TCU Programmer and PC Software Use Guide:

Firstly, connect the X431 ECU &TCU Programmer to the computer with a cable. Then, click to enter the software. The serial number will be automatically recognized from the X-431 ECU &TCU Programmer, and the activation code needs to be obtained from the envelope bar of the X-431 ECU&TCU Programmer.

Click [Activate] to activate (only activate once, no need to activate again later), as shown in Figure 1. Without connection, you cannot access the software, as shown in Figure 2.

I. ECU Date Reading and Writing: 

1. Obtain the  related  ECU.

Method (1) :

Obtain the desired ECU type through brand > model > engine > ECU in turn, as shown in Figure 3

Method (2) :

Query the desired ECU by entering a value in the search box. The search categories include Bosch number and Search, as shown in Figure 4. 

For example, search for the MED17.5.25 engine by Search, as shown in Figure 5.

3. Connection:

Connect  the  ECU and PCBOX according  to the  information provided in the connection diagram.  The physical connection diagram of MED17 .5 .25 (using the BENCH mode line)is shown in Figure 7, and the physical connection diagram using the gearbox adapter is shown in Figure  8.