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Which flavour of OBD-2 signal on 96 850 wagon?

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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MadeInJapan
MVS Moderator
Posts: 13434
Joined: 31 March 2005
Year and Model: '98 S70 T5 '07S40T5
Location: Knoxville, TN American but born in Japan
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Post by MadeInJapan »

Nice job! :o
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo

mtagoon
Posts: 6
Joined: 25 June 2008
Year and Model:
Location: Bangkok, Thailand

Post by mtagoon »

Py wrote:Well, I did replace the transistors and... it works! I was just able to reset my "Service" dashboard light, and communicate with ABS, immobilizer and SRS modules (I do not have power seats, otherwise I'm sure I would have been able to deal with them...)

So, the hardware + software combination described by mtagoon does work on European spec cars, despite ilexa's claims to russel2419 that it won't!

Thanks again mtagoon!
Glad to hear that... You 're Welcome.

Japanifold
Posts: 2
Joined: 19 April 2022
Year and Model: 96 850R
Location: Virginia

Post by Japanifold »

i have the same pin setup on my obd2. It seems some scan gauge do not work. In lamens term... what do i do?

scot850
Posts: 14899
Joined: 5 April 2010
Year and Model: 2000 V70 R
Location: Calgary, Alberta, Canada
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Post by scot850 »

It is strange as I thought there was a problem with 95/96 cars getting an OBD2 read-out on a scanner, but then a friend told me he was able to on his 96 base model. However, there are some that like yours cannot be read.

There are a couple of ways, one is to buy a Vag-Com cable, access to a laptop and down-load vol-fcr software.

I understand you can also built a simple led bulb and wire system that can scan the codes like in the 93-94 cars that have the under hood diagnostic system.

The latter is highlighted on threads on MVS.

viewtopic.php?t=60660

The one below highlights software written by one of MVS's members and using an ELM 327 wireless plug-in

viewtopic.php?t=83145

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold

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