Friday, December 2, 2011

Volvo 850 (1996): How do I turn off the "SRS" warning lamp in the dashboard display?

It came on after I replaced the driver's side seat belt, that was not rewinding properly.|||this can be reset by the owner, using the underhood diagnostic connectors [some 96's have them some don't] [ located at the rightfront corner of the engine compartment].i do not remember which socket for sure but i believe it was #7 [read each socket until you find a trouble code[s], pass codes are 111] .


with key on engine off insert the pig tail into this socket and push button for approx 1 second release and watch LED it will flash a 3 digit code





example [*** * *] would be 311 [a speed sensor code from diagnostic socket #2 [ fuel injection system] [#6 is ignition system]





once you find code[s] record[write down] the one flashed and push the button again to see if more than one code is stored: if so record this one too. do this until the first code repeates


now push the button until the last code stored is displayed


[if there was more than one] at this time you may erase code memory with the button by pressing button for 5 seconds then release . after 3 seconds the LED willcome on, now push the button again for 5 seconds the LED should go out when button is released


now unplug the pigtail and turn key off restart the car and check if your srs lamp goes out like it's supposed too.


if not codes will have to be reread interpeted and further repairs made, then cleared again





note this diagnostic system is a little nerve racking to get used to, but once you learn it you will find it much more accurate and user friendley than the less effective [more modern] obd 2 system [unless you have access to the volvo obd 2 scan tool and the soft ware for it]


extra note you should purchase the factory manuals for your car as they will be the most complete and accurate source of information even above the celabrated bentley or haynes manuals|||The key to resetting the Volvo 850 SRS code is something hobbabob stated above. after 3 seconds the LED will come on (while the light is on) push the button again for 5 seconds the LED should go out when button is released. This is missing from the Mitchell and AllData steps. This worked for me!

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|||Find an independent Volvo repair shop that has the reset tool for the SRS. SRS will not reset if wiring is not installed correctly on seat belt.|||Take it into the dealership.. Sorry no other way.

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