Guide use OBDSTAR X300 Pro3 Program Isuzu MU7 All Keys Lost

Today we’d like introduce you programming Isuzu MU7 smart key when all keys lost by using OBDSTAR X300 Pro3 (key master) key programmer.


Equipment needed:

OBDSTAR X300 Pro3 or X300 DP
OBDSTAR EEPROM adapter (PIC & EEPROM 2-in-1)
12V power supply
2 smart key to be programmed

Main steps:
Step 1: Read PIN Code
Step 2: Erase All Keys
Step 3: Program New Key

Step 1: Read PIN Code
Disassemble immo box

Read pin code by eeprom adapter
Take out Immo box from switch start

Soldering out IC 93C66A chip and solder it to EEPROM adapter

Connect eeprom adapter , OBDSTAR Key Master and cables
Connect 12V DC to key master

Check the Status indicator on eeprom adapter tuns on means the connection is built
Select EEPROM adapter->V33.37->EEPROM->ISUZU->Immobilizer 93C66

Reading dump file and save the file

Read pin code success.

Take a photo screenshot of the pin code or write it down.

Step 2: Erase All Keys
Soldering IC 93C66A back to the immo box.
Reassembly immo box

Prepare new keys with chip 46 ISU
Both keys cannot start

Turn ignition ON
Select Vehicles->Immobilizer->Isuzu->Immobilizer->D-Max->Erase keys

Turn ignition ON
This function will erase all keys.

OBDSTAR X300 Pro3 require to enter security pin code to erase keys.

Erase keys success.

Step 3: Program New Key
Select Add keys on Isuzu menu

Turn ignition ON
Maximum 5 keys to be programmed
Again enter 4-digit pin code to program key
Insert a new key, turn ignition on

Program success. Press YES to program next key

Insert a new key, turn ignition on
Program 2nd key success.

Try to start car with new keys
Start success



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