OBDSTAR X300 PRO3 read pin + make key ISUZU MU7 all key lost

Programmeur De Clef

It’s confirmed that OBDSTAR X300 PRO3 Key Master is OK for ISUZU MU7 all key lost! Read EEPROM pin code and program new key successfully!

Below a how-to guide for you.


Part 1. OBDSTAR X300 PRO3 read ISUZU MU-7 EEPROM pin code

Take out the ISUZU MU7 IMMO box PCB.

Solder out IC 93C66A and solder the IC chip to EEPROM adapter.

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Connect EEPROM adapter with X300 Pro 3 using according cable.

And connect 12V DC power with X300 Pro 3.

Make sure OBDSTAR EEPROM adapter status LED is green.


Choose “Vehicle” then “EEPROM Adapter”.


It will open PIC/FREESCALE ADAPTER V33 software, choose “EEPROM”.

Choose “Read pin code” function.


Select “ISUZU” and “Immobilizer (93C66)”.


Name the EEPROM file to save.

OBDSTAR X300 PRO3 read ISUZU MU-7 EEPROM pin code OK!


Solder 93C66 back to the IMMO box.


Part 2. OBDSTAR X300 PRO3 program ISUZU MU-7 key when all key lost

Object: Program 2 new ISUZU MU-7 keys with ID46 chip

Connect OBDSTAR X300 PRO3 with car OBD port.

Turn on car ignition using one of the new keys.

Choose “Vehicle”→ “Immobilizer”→ “ISUZU”→” ISUZU V30.01″.


Go to “Immobilizer” and choose “D-MAX”.

First to erase all keys. (Confirm the reminding message and input the pin code)


Next to add keys. (Enter the pin code again, insert the new key, turn ignition on)


Program success, press ENT button and continue to program second new key.


That’s all about OBDSTAR Key Master read pin code, program new key for ISUZU MU7 all key lost!