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EZS / IFZ / IMMObox emulator:

• designed for old FBS2 systems, covers all ECU’s where authorization is via fixed ECU password (later systems where authorization is via HASH value are not covered).
• it is possible to customize baud rate and ECU password (in case if you don’t wish to align or renew ECU and ECU password is known). Although, it is not necessary if you go another way - make ECU virgin (a lot of manuals available, you can search for ones from carlabimmo for example)
• simple connection to CAN bus, installation inside ECU is recommended, but not mandatory. Status is indicated by LED.

CAN bus bit rate: jumpers 1, 2:

   open / open: 500 kb

  open / short: 125 kb

  short / open: 250 kb

  short / short: 500 kb, configuration mode.

CAN bus terminator: jumper 3

  If short, CAN bus is terminated by 120 ohm.

Configuration:

   Emulator must be in configuration mode, jumpers 1 and 2 shorted. You can use any suitable CAN logger to store / read ECU password from emulator. Must use id 555 with data length 8 where first 4 bytes is password and last 4 bytes is inverted password.  Emulator will respond with id 556 where first 4 data bytes is password, followed by 00 00 00 00. If data sent in frame 555 is not valid, actual value is returned.

examples:

to:   555 8 FF F1 FF AA 00 0E 00 55  - we are storing ECU password FFF1FFAA

from: 556 8 FF F1 FF AA 00 00 00 00

to:   555 8 1B 55 86 C8 E4 AA 79 37  - we are storing ECU password 1B5586C8

from: 556 8 1B 55 86 C8 00 00 00 00

to:   555 8 00 00 00 00 00 00 00 00  - data not valid for store, actual value returned:

from: 556 8 1B 55 86 C8 00 00 00 00

Status led blink patterns:

10000000 - 1x blink, 7x pause: emulator is ready to communicate with ECU

10100000 - code from ECU received, response transmitted

11111111 - led permanently on: ECU accepted response, ready to start.

10101010 - response not accepted by ECU, not ready to start (wrong password?)