How to use OBDSTAR X300 Classic G3 to read and write Land Rover AHCM 9S12DG256 ECU?
Main steps:
1. Buy ECU TCU Cloning Software License
2. Work by Bench mode and P004 Adapter.
3. Follow the wiring diagram in the system to connect X300 Classic G3 and ECU via OBDSTAR P004 Adapter with ECU Clone Jumper and main cable properly.
Ensure the network connection is normal and the 12V power supply is connected well during the operation.
4. After connection, select “Bench” and “P004”, and “Used default Pincode” to perform read and write functions.
Menu path:
Select ECU Flasher>> BODY/CHASSIS/OTHER>> BODY/CHASSIS/OTHER software (i.e.V30.32)>> >> LANDROVER AHCM/CPM WEBASTD/CONTINENTAL TTV/TTVEVO 9S12DG256
Pinout diagram:
| ECU | TOOL |
| A-Pin 1 | 12V (16) |
| A-Pin 2 | GND (4+5) |
| B-Pin 4 | CAN L (11) |
| B-Pin 7 | CAN H (3) |
Connection:
Select Bench and P004
Connect ECU
Select “Used default Pincode”
Read INT Flash (9S12DG256) and save data
Read INT EEPROM (9S12DG256) and save data
Write the original INT Flash and EEPROM data into the new Land Rover ECU
Disconnect the ECU after writing.
