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01-20-2014, 02:57 PM | #126 |
Scooby Newbie
Member#: 304389
Join Date: Dec 2011
Chapter/Region:
NESIC
Location: Lynn, Ma
Vehicle:2013 WRX Hatch ISM |
Having an issue, I went ahead and followed the steps laid out after saving and opening the saved file for edit I found every line as FF FF FF FF. Is this normal? Could I have missed something? Is the chip file locked maybe? I can't seem to find anything online as I lack the knowledge to really even give a proper search. Hoping someone can chime in with a little back round on programming chips.
The steps I took and the chipset I am using. 02 WRX EDM Prodrive Cluster mileage before uninstalling was at 13,068 Removed 8 pin chip from the circuit board plugged into SP200SE eeprom reader software being used is WLPRO V2.20 Device searched as AT93C56 I read the chip successful Saved as original in .hex Opened original file Hit edit and switched to 16bit Every line was 0 FF FF FF FF 8 FF FF FF FF 10 FF FF FF FF 18 FF FF FF FF 20 28 and so on all FF FF FF FF Any help is appreciated thanks.
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01-20-2014, 08:26 PM | #127 |
Scooby Newbie
Member#: 304389
Join Date: Dec 2011
Chapter/Region:
NESIC
Location: Lynn, Ma
Vehicle:2013 WRX Hatch ISM |
Update I have this as a hex dump I may have saved prior to things becoming wrong for me.
:100000003A3130303030303030464646464646464B :100010004646464646464646464646464646464680 :1000200046464646464646464630300D0A3A313048 :1000300030303130303046464646464646464646E3 :100040004646464646464646464646464646464650 :1000500046464646464646300D0A3A313030303242 :100060003030304646464646464646464646464672 :100070004646464646464646464646464646464620 :1000800046464645300D0A3A313030303330303054 :100090004646464646464646464646464646464600 :1000A00046464646464646464646464646464646F0 :1000B00044300D0A3A313030303430303046464624 :1000C00046464646464646464646464646464646D0 :1000D0004646464646464646464646464643300D12 :1000E0000A3A3130303035303030464646464646A2 :1000F00046464646464646464646464646464646A0 :00000001FF I couldn't tell you what it means and it will not write to the chip. |
01-30-2014, 01:31 PM | #128 |
Scooby Specialist
Member#: 27874
Join Date: Oct 2002
Chapter/Region:
NESIC
Location: Ledyard,CT
Vehicle:2002 WRX V7 EJ207 DOM1.5 6MT 360 whp |
If you get lots of FF FF FF FF your not reading the chip right.
also that hex dump does not look right to me. I want to add that the USDM 04-07 STi clusters eeprom chip work simaler for the milage but the address of the milage info is different. I am about ready to start offering a reprogaming serivce on them. I only have to get one more cluster to test my process on. |
07-05-2014, 08:08 PM | #129 |
Scooby Guru
Member#: 46135
Join Date: Oct 2003
Chapter/Region:
Tri-State
Location: NY
Vehicle:19 GLA45 AMG C63 AMG |
I got a 6 speed installed.
Now my MPH error is constant 3 MPH at any speed. This is close enough for me. I will hook up the DCCD and post if the error changes after that. |
11-24-2014, 04:03 PM | #130 |
Scooby Newbie
Member#: 149738
Join Date: May 2007
Chapter/Region:
MWSOC
Location: Des Moines, IA
Vehicle:2005 WRX E85 WRBrue |
Sorry to dig this thread up from the graveyard, but I think I have solved the MPH error problem. I recently got a v8 Prodrive cluster and used this thread to update my mileage and change the outside temp to F (thanks for all the info!). I decided to dig into the error issue as an attempt at repayment
It appears to be a very simple "correction factor" for the different readouts. I swapped the v8 Prodrive cluster into my 05 WRX, going from a 140mph speedo to a 160mph. I thought that this might matter but upon reading the service manual, it looks like all speedos should read 60mph when feed a 68.4Hz pulse. My brain then assumed the offset must be due to a final drive thing or something outside the actual speed sensor. I gathered up all the dumps I could fine and started seeing if I could identify something that looked like a correction offset. I found a few here and there, a couple variants of the Prodrive, some JDM v7 STi, a 2007 WRX, etc. A few things stood out that seemed like they might affect it, so I started a long night of flashing and feeding it a pulse, rinse, repeat. Here's the current dump of my v8 Prodrive, non-DCCD cluster. :10000000FFFFFFFF5D025D025D020E110E11AA00EF :100010000C00AA00331A0005886A52341022EA63E1 :100020000A14334B08100000314FAAFA55F5F000BE :10003000000000000000FFFFE5E005E309E5ECE15A :1000400084EB6FE0BEEC52E107EFE8E3BE0AB400D8 :100050001F0B1403450D480329072E0330073701F2 :10006000F1140EEBF61409EBF61409EBF61409EB98 :10007000F61409EBF61409EBF61409EBF61409EB88 :10008000559955995599FFFFFFFFFFFFFFFFFFFFB0 :10009000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF70 :1000A000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF60 :1000B000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF50 :1000C000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF40 :1000D000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF30 :1000E000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF20 :1000F000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF10 :00000001FF The change is on the 2nd line: 0C00AA00331A0005886A52341022EA63E1 Normally, this would be 03 on this cluster. I noticed the JDM STi dumps I had were 02 and my USDM WRX clusters were 0A. Setting the Prodrive to 0A made the error much higher, so I was sure I was onto an offset. For my use so far, 00 seems to get me where I need to be. I'd love for someone else to give this a try on a different cluster and see if it holds up. |
11-24-2014, 04:19 PM | #131 |
Scooby Newbie
Member#: 149738
Join Date: May 2007
Chapter/Region:
MWSOC
Location: Des Moines, IA
Vehicle:2005 WRX E85 WRBrue |
Also, while looking at this issue, I think I may have a bead on how the odometer ticks on the mph vs. kph clusters. In the 3rd line of the dump:
0A14334B08100000314FAAFA55F5F000BE This is 0x1008 or 4104 in decimal, the number of pulses per minute (68.4Hz or 60mph). The JDM dumps I have have F409 or 0x09F4 - 2548 in decimal, the number of pulses in 1 km. According to the service manual, the odometer "Counts up 1 km per 2,548 pulses. (4,104 pulses per mile)" so my intuition says that toggling this between the 2 values would allow the odometer to show either miles or kilometers, regardless of what the speedo is actually reading. I have not tested this yet as I have had no need, but wanted to put it out there for science in case someone else wanted to give it a shot Last edited by Gravity1337; 11-24-2014 at 07:52 PM. Reason: Fixing english |
04-11-2015, 01:03 PM | #132 |
Scooby Specialist
Member#: 241819
Join Date: Mar 2010
Chapter/Region:
Tri-State
Location: Parsippany NJ
Vehicle:1993 EG33 GC8 |
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05-07-2020, 09:13 PM | #133 |
Scooby Newbie
Member#: 506201
Join Date: Sep 2019
|
V8 dccd prodrive cluster help
My mechanic successfully wired dccd pro onto my cluster so it can be read and adjusted. I own an 02 wrx and need help with the following;
Rear diff temp light Abs light Both lights stay on. I come across a few threads online but nothing simple or concrete enough for a wiring novice to understand. Any guidance or help will be greatly appreciated please be very simple with explanations if possible. |
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