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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Reading Fault codes off 96 850!!Views : 2224 Replies : 13Users Viewing This Thread : |
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Mar 5th, 2006, 13:55 | #1 |
Junior Member
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Location: Aberdare
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Reading Fault codes off 96 850!!
Hi,
I have a N-registered 850 2.5 10v, but it doesnt have a diagnostic unit in the front of the engine as some do, so where do i read the fault codes from?? It has a OBD-II connector by the gearstick, but i believe i cannot use this, or if i can is there a tool i can purchase, Thanks in advance, Gavin |
Mar 5th, 2006, 14:19 | #2 |
You Can't Beat A Swede
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Their is a code reader you can make. If you do a thread search you will find the instructions. It's quite simple and it works a treat.
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1993 850 2.0 20v SE Auto, 1996 850 T-5 CD Auto 1998 V70 R Manual, 2001 S80 D5 SE manual 2007 S80 V8 AWD Auto 2017 V40 T-3 Inscription Auto |
Mar 5th, 2006, 16:17 | #3 |
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Last Online: Nov 22nd, 2023 22:49
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I copied and saved this from a previous post from Chris Rogers, thought it would come in handy someday, hope he doesn;t mind!
"On '96/'97 850 cars with the 16 way 'OBDII' socket, and maybe other models, some of the control modules use 'flash' codes. To retrieve the flash codes the following procedure can be adopted: Connect an LED, with the correct polarity, in series with a 1k8 ohm resistor, between pin 16 (+) and pin X, where X is the pin corresponding with the module to be read. Connect a push to make switch between pin X and pins 4 or 5 (-). The circuit can then be used in the same way as the pre '96 diagnostic sockets, situated in the engine compartment. For: Motronic 4.3 or Fenix 5.2, X = 3. 850 ECC , X = 6, Timer Type 4, X = 9. All models: Cruise Control, X = 13, 900 & S/V 90 ABS, X = 12 . The only 850 engine that's OBDII compliant is the late 20V model with Motronic 4.4. The auto gearbox on '96 models will respond to OBDII to a very limited extent."
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Regards Mike '96 GLT Auto Estate For Every Problem - There is a Solution, Hopefully! Gallery |
Mar 5th, 2006, 17:43 | #5 |
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Last Online: Apr 10th, 2017 16:55
Join Date: Jan 1970
Location: South Kent Coast
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Mike I don't mind, it's nice to be acknowledged.
The original post was dated: May 4th, 2003 |
Mar 5th, 2006, 21:40 | #6 |
You Can't Beat A Swede
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This is one of the great things about this forum. All friendly and always their to help! Thanks Chris and Mike!!!!
__________________
1993 850 2.0 20v SE Auto, 1996 850 T-5 CD Auto 1998 V70 R Manual, 2001 S80 D5 SE manual 2007 S80 V8 AWD Auto 2017 V40 T-3 Inscription Auto |
Mar 6th, 2006, 13:42 | #7 |
Junior Member
Last Online: Feb 21st, 2021 23:17
Join Date: Oct 2004
Location: Aberdare
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Thanks Guys, Really appreciate it!!
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Mar 6th, 2006, 17:22 | #8 |
Junior Member
Last Online: Feb 21st, 2021 23:17
Join Date: Oct 2004
Location: Aberdare
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By the way, where is the best place to go to purchase one of these connectors???
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Mar 6th, 2006, 19:36 | #9 |
VOC Member
Last Online: Apr 10th, 2017 16:55
Join Date: Jan 1970
Location: South Kent Coast
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Mar 12th, 2007, 17:32 | #10 |
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Last Online: Sep 11th, 2007 18:03
Join Date: Mar 2007
Location: Waltham
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Damper Motor Limit Position Lost?
I have a 96 850 GLT wagon. Last fall my battery failed due to a dead cell. Unfortuneately I did not know it until I tried to start the car one chilly morning. The car just barely started and for an instant the A/C and Recirc LEDs flashed. I replaced the battery and haven't seen the A/C and Recirc LEDs flash since however, I get very little airflow from the floor vent on either side of the climate control unit. I get good airflow in all other positions. I can hear the ventilation damper motor move the damper as I move the center control to various positions. It looks to me like the ECC stops moving the ventilation damper before the correct end of travel. It may have lost the correct position somehow during the bad battery startup. I lost the radio code and had to reprogram.
My AllData info suggests that I should get the ECC to reprogram the limits on the damper motors by putting the ECC into mode 4. This is accomplished with a Volvo scan which I do not have. Anyone know how to get the ECC to reprogram the damper motor limits? AllData also suggests if one purchases a brand new ECC, the new ECC is programed to find the damper limits automatically. Is there a way to reprogram the ECC to do this function. Where does one get technical electronic info about this car - Volvo Tech Manuals any help. AllData says use the Volvo scan tool which is prohibitively expensive. Thanks to all for their time. JXKEEFE |
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