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Want to have OBD1 for 1996 850t Topic is solved

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

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

850
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Year and Model: 1996 850t
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850

Want to have OBD1 for 1996 850t

Post by 850 » Thu Jun 18, 2020 9:04 pm

I have a 1996 850 turbo and would like the pin setup for OBD1. If anybody has one or information that would help me I would appreciate it.
I am not sure if I have to get an engine wiring harness for a 1995 850t or if I can just get the wiring that has the pins that go on the computer housing.

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misha
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Year and Model: '97 850 2.5 20v
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Re: Want to have OBD1 for 1996 850t  Topic is solved

Post by misha » Fri Jun 19, 2020 1:06 am

You can't retrofit OBDI in OBDII car,but you can use flash code reader for ECU and ECC since '96 850 T5 have M4.3 management which still produce flash codes.
All other modules are fully OBDII.
These users thanked the author misha for the post:
850
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
'91 Citroen XM 2.0 SI /fully equipped/mandarine red metallic
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

850
Posts: 2
Joined: Mon Jun 01, 2020 10:28 am
Year and Model: 1996 850t
Location: Washington
Has thanked: 1 time
Been thanked: 0
United States of America
850

Re: Want to have OBD1 for 1996 850t

Post by 850 » Sat Jun 20, 2020 9:32 am

I think I can figure out how to pull the flash codes. So I can view flash codes but cannot enter codes to test components like OBDI? I just purchased a Bosch 1350 code reader hoping it would help me view transmission codes, ABS codes, and maybe even allow me to open ABS valves.
Thank you for your response. I guess the way I really want to go is just to buy a 1995 850 T5 if I can find one. I really like the OBDI on these cars as you can do so much with it like open each transmission solenoid, test climate control etc.

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misha
Posts: 4403
Joined: Sun Dec 07, 2008 4:09 pm
Year and Model: '97 850 2.5 20v
Location: Serbia
Has thanked: 57 times
Been thanked: 144 times
Serbia
misha

Re: Want to have OBD1 for 1996 850t

Post by misha » Sat Jun 20, 2020 2:36 pm

'95 will have both....OBDI under the hood and OBDII at center console.
From '96 there was only OBDII at center console.

No...you can't enter OBDI codes in OBDII car.
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
'91 Citroen XM 2.0 SI /fully equipped/mandarine red metallic
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

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