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940 Diagnostic of self-diagnostic. It doesn’t work

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

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Alyashep
Posts: 1
Joined: 15 August 2021
Year and Model: 1992 940
Location: Russia

940 Diagnostic of self-diagnostic. It doesn’t work

Post by Alyashep »

Hi.
I bought Volvo 940 b234f few months ago and some problems are not solved yet. One of them is problem w self-diagnostic connector. It doesn’t work. We don’t know is the connector broken or it’s a problem w wiring. So, maybe someone have any pictures how wiring should be? I thing that picture of the system in your car is also optional.
Hope for your help because we can’t find any information about it, it looks like everyone else doesn’t have this problem.
Thx a lot for help !
Alya

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RickHaleParker
Posts: 7129
Joined: 25 May 2015
Year and Model: See Signature below.
Location: Kansas
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Post by RickHaleParker »

Here the 1995 940 service manual. The diagnostic ports are on page 46.
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1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.

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