To perform VW Audi 4th generation Dashboard instrument replacement with any of Launch X431 PAD VII, PAD V, X431 V+ PRO diagnostic scan tools and X431 Xprog3 G3 immo programmer. This function needs to be carried out when Instrument Replacement is required.
Step-step-guide:
- First install the original instrument, read original Anti-theft data from the function of Key Matching through OBD. Detailed operations: select [Special Features] -> [Anti-Theft Function], read the disclaimer carefully, and click “OK” , Select [Generation 4 And Above Immobilizer System].
- Select [Anti-theft Key Matching].
- Select [Key Learning].
- Connect the diagnostic connector and Anti-theft programmer according to the information shown in the diagram, and click “OK”.
- Select [4th Generation Immobilizer].
- Select [4th Generation CAN Instrument].
- Select [Automatic Diagnostic Type], if the instrument type is already known, you can directly select the corresponding type to enter.
- Select [Step 2: Read Anti-theft Data] to read the Anti-theft data of original instrument.
- Please insert the key or place the key near the key sensing area and turn on the ignition switch, and click “OK”.;
- Click “Yes” to save the Anti-theft data.
- Please input the file name, click “OK”, you can also select the save path, click “OK”.
- You can view the relevant information after backed up the Anti-theft data, click “OK”, (as shown in the figure below), and then directly connect the external instrument to the Anti-theft programmer and obtain the Anti-theft data of external instrument as per step 8-12, and then install the external instrument in the car;(Note: The external instruments of some Johnson NEC95320, Motorola 9S12, Marelli NEC95320, some NEC24C32 and some NEC24C64 can be installed on the vehicle and read through OBD. For other types of instruments, the Anti-theft data can be read through the dump data, click “Dump All Lost Mode” to obtain the Anti-theft data by following the prompts.
- Click Return to return to the interface of function menu in Figure 13, and select [Immobilizer Module Replacement].
- Select [4th Generation CAN Instrument].
- Click “OK”.
- Read the information of Instrument Replacement carefully and confirm whether to continue.
- Read the following information carefully and check if the conditions of Instrument Replacement are met, click “OK”.
- Select [Edit 1] to edit the Anti-theft data of external instrument.
- Click “Yes” to load the backed up Anti-theft data of external instrument, click “OK”, (as shown in the figure below), (Note: If there is no Anti-theft data, click “No” and enter the first 6 bytes of CS of external instrument).
- Click [Edit 2], and click “Yes” to load the backed up Anti-theft data of the target vehicle, you can get two Anti-theft data result graphs, (as shown in the figure below), (Note: If there is no Anti-theft data of the target vehicle, click “No” and input the 12-byte CS of external target vehicle (read through direct connection, or obtained by other methods)).
- Click [Start Replacement].
