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Old 09-10-2012, 06:49 PM   #1
Torquey
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Member#: 175334
Join Date: Mar 2008
Chapter/Region: TXIC
Location: Dallas, TX
Vehicle:
2003 Impreza WRX
JDM v8 EJ207 WRB

Default JDM v8 ECU ROM read issue

Hey guys, about to start my v8 STi swap into 03 WRX. Was trying to pull the map from the new JDM ECU prior to pulling anything from the engine bay... to send it to the tuner. I plugged the new ECU in and connected my Tactrix 1.3. When trying to read the ROM thru ECU flash, getting and error (no matter which MY Impreza I chose), and this is what the ROM says....

[15:19:55.812] Using interface OpenPort 1.3 Subaru TX48H9Oq9b9574d54dcd45b4c557cd6a9ace3407257e6ca7
[15:19:58.828] denso02_bootloader_cmd_start
[15:20:00.062] denso02_bootloader_cmd_start
[15:20:01.296] denso02_bootloader_cmd_start
[15:20:02.531] denso02_bootloader_cmd_start
[15:20:03.765] denso02_bootloader_cmd_start
[15:20:04.218] kernel get version
[15:20:04.546] interface close
[15:20:04.546] interface close

ECU# ends with AH581. Any ideas? Thanks for any input!
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Old 09-11-2012, 01:44 PM   #2
azscooby
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2002 ej207 vf34
WRB

Default

Are you sure you are doing the process correctly?
I had the same issue and I was doing the sequence wrong.....
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Old 09-11-2012, 03:53 PM   #3
chappell943
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2001 V7 Sti Prodrive
White

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Make sure you have the jumper block attached (need to buy), (these are not the green connectors)
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Old 09-11-2012, 04:57 PM   #4
candamo
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Quote:
Originally Posted by chappell943 View Post
Make sure you have the jumper block attached (need to buy), (these are not the green connectors)
+1... green connectors + jumper block in order to read/write on the ecu.
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Old 09-12-2012, 03:54 AM   #5
Torquey
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Location: Dallas, TX
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2003 Impreza WRX
JDM v8 EJ207 WRB

Default

Thanks for the reply guys! Just to clarify, I did have the green connectors plugged into each other... but not the jumper block. Because I thought the instructions said, the jumper block is ONLY needed if I am reflashing the ECU... not when trying read it. Here is what I was going by:

http://www.romraider.com/Documentati...aiderFAQ#toc14
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Old 09-12-2012, 12:20 PM   #6
808_wrx
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i put my flash block in when i did mine. and i think u need to do the steps fast... i did it slow an got the same result did it again faster an it worked
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Old 09-12-2012, 09:10 PM   #7
chappell943
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I thought the same for my car but yes you do need the jumper block in order to read the rom on the ecu or write a new one onto it.
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Old 09-17-2012, 01:29 AM   #8
D-Rodman
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05 saabaru artc gr
02 wrx wag wrb ej207

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Jumper block from an accessport should work, correct?

Last edited by D-Rodman; 09-17-2012 at 01:34 AM.
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Old 09-17-2012, 03:33 AM   #9
chappell943
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Yes, will work with no problems as long as the year off the jumper block is right for your car.
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Old 09-24-2012, 10:28 PM   #10
Torquey
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Join Date: Mar 2008
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Location: Dallas, TX
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2003 Impreza WRX
JDM v8 EJ207 WRB

Default

Thanks again for the help guys.... yes I did have to plug in the jumper block, and that did the trick!
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