Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Can't get ECU codes to display on '95

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Old Aug 21, 2005 | 11:29 PM
  #1  
jcmartin's Avatar
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Default Can't get ECU codes to display on '95

I have followed the instructions in the Haynes manual and every other source I can find, but the flashing LED will not flash.

I put the probe into Bank A socket 2. I turn the ignition key to "ON" -- radio and AC come on. I push the button for one second and the LED lights up. When I release the button, no codes, not even 1-1-1, are displayed. I do the same exercise for Bank A, Socket 6. Start the car. I spit and squint in my most Josey Wales threatening manner to intimidate the Swedish immigrant. Nothing happens.

What am I doing wrong?

Thanks in advance,
JM
 
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Old Aug 22, 2005 | 12:43 AM
  #2  
tech's Avatar
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From: Orlando, Florida
Default RE: Can't get ECU codes to display on '95

Do you have an OBDII plug inside the car? It will be in the center console if you have one. Under the ashtray.
 
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Old Aug 22, 2005 | 02:00 AM
  #3  
jcmartin's Avatar
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Default RE: Can't get ECU codes to display on '95

I didn't think that the 1995 had an OBD. If it does, then I'm completetly lost.

JM
 
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Old Aug 22, 2005 | 03:18 AM
  #4  
Lichty17's Avatar
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From: Minnesota
Default RE: Can't get ECU codes to display on '95

The OBDII plug is in the center console rite under the Change holder. The Change holder pops rite off and even says OBDII rite on the change holder.(the text is really small though) Atleast that is where it is on my 95
 
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Old Aug 22, 2005 | 11:17 PM
  #5  
rp850's Avatar
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Default RE: Can't get ECU codes to display on '95

Doesn't hurt to double check:

Key should be in position II

Maybe try putting the jumper in A2 with the car off, then go to position II and press button for 1 second. Do the eye squinting thing again and see if that works. [>:]

On my 95 the OBDII port is present but not functional. Autozone will read OBDII codes for free if you want to confirm whether it works. I get everything from the OBDI port under the hood.
 
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