Which OBDSTAR tool can read and write Land Rover AHCM 9S12DG256 ECU?
Both X300 Classic G3 and DC706 ECU Tool support this function by Bench mode and P004 Adapter. The wiring diagrams are the same. OBDSTAR P004 Adapter and ECU Clone Jumper are required to work with OBDSTAR tool. Connect the device and ECU properly according to the diagram, and ensure the network connection is normal and 12V power supply is connected well during the operation.
1.OBDSTAR X300 Classic G3 Read and Write Land Rover AHCM 9S12DG256 ECU
Need to activate ECU Flasher Function Authorization
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) |
Connect OBDSTAR G3 and ECU correctly
After connection, select BENCH, P004, and Used default Pincode
Connect ECU
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.
2.OBDSTAR DC706 Read and Write Land Rover AHCM 9S12DG256 ECU
The operation guide is similar.
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