2003 Infiniti G35 USDM 5A/T no definition file

Cozilyfe · **Joined:** Sat Aug 02, 2025 10:08 pm **Posts:** 4

After following all the steps i was able to dump my ecu files to my computer however there's no definition file for my ecuid AM605. I tried AM603 & AM604 but to no avail. Anything else I should try I'm pretty new to all this so don't crucify me.

Alex-Angarsk · **Joined:** Sat Mar 30, 2019 7:04 am **Posts:** 372

Cozilyfe wrote:

After following all the steps i was able to dump my ecu files to my computer however there's no definition file for my ecuid AM605. I tried AM603 & AM604 but to no avail. Anything else I should try I'm pretty new to all this so don't crucify me.

It won't work, you need to develop a new definition file for this ROM.

Cozilyfe · **Joined:** Sat Aug 02, 2025 10:08 pm **Posts:** 4

How would I go about doing so ?

Cozilyfe · **Joined:** Sat Aug 02, 2025 10:08 pm **Posts:** 4

Alex-Angarsk wrote:

Cozilyfe wrote:

After following all the steps i was able to dump my ecu files to my computer however there's no definition file for my ecuid AM605. I tried AM603 & AM604 but to no avail. Anything else I should try I'm pretty new to all this so don't crucify me.

It won't work, you need to develop a new definition file for this ROM.

How would I go about doing so ?

Alex-Angarsk · **Joined:** Sat Mar 30, 2019 7:04 am **Posts:** 372

Cozilyfe wrote:

Alex-Angarsk wrote:

Cozilyfe wrote:

After following all the steps i was able to dump my ecu files to my computer however there's no definition file for my ecuid AM605. I tried AM603 & AM604 but to no avail. Anything else I should try I'm pretty new to all this so don't crucify me.

It won't work, you need to develop a new definition file for this ROM.

How would I go about doing so ?

https://nissanecu.miraheze.org/wiki/Fir ... isassembly

or

viewforum.php?f=71

Cozilyfe · **Joined:** Sat Aug 02, 2025 10:08 pm **Posts:** 4

Cozilyfe wrote:

Alex-Angarsk wrote:

Cozilyfe wrote:

After following all the steps i was able to dump my ecu files to my computer however there's no definition file for my ecuid AM605. I tried AM603 & AM604 but to no avail. Anything else I should try I'm pretty new to all this so don't crucify me.

It won't work, you need to develop a new definition file for this ROM.

How would I go about doing so ?

https://nissanecu.miraheze.org/wiki/Firmware_re#wols

or

viewforum.php?f=71[/quote]

Thank you

RomRaider

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2003 Infiniti G35 USDM 5A/T no definition file

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