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#2
03-08-2007, 01:56 PM
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Re: B1869 Air Bag Lamp Open Circuit
Yeah, the bulb for the SRS system has probably burned out. Does the SRS/airbag light illuminate during the bulb test when you first turn your key to run? Do you get a sequence of beeping when you start the car?
-Rod 
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#3
03-09-2007, 08:29 AM
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Re: B1869 Air Bag Lamp Open Circuit
On KO, the light is solid for about 5 seconds then it goes out and stays out.
There are 5 beeps when I start the car.
__________________
'97 Windstar 164,XXX '99 Taurus 159,XXX S.E. Michigan
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#4
03-09-2007, 06:39 PM
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Re: B1869 Air Bag Lamp Open Circuit
Are you sure you are looking at the Airbag/SRS light and not the Check Engine Light or the ABS light? The code and the beeping would be indicative of a bad bulb.
-Rod
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#5
03-11-2007, 02:07 PM
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Re: B1869 Air Bag Lamp Open Circuit
If the airbag light goes on for 5 seconds then goes out, the system is working properly. The system will self diagnose as long as the key is turned on. If there is a problem, the light will illuminate. It doesn't sound like you have a problem.
http://www.airbagsolutions.com
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#6
03-11-2007, 05:09 PM
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Re: B1869 Air Bag Lamp Open Circuit
Five beeps and a code of B1869 would indicate that the SRS computer is recognizing a problem with the SRS indicator light circuit, so we really need to understand if the SRS/airbag light is coming on for the 6 (+/- 2) second bulb test. There are quite a few bulbs that come on for the 6 second bulb test, not just the SRS/airbag bulb.
Per the service manual, "If the Electronic Crash Sensor (ECS) detects an air bag indicator failure in addition to another SRS failure, the ECS will send a signal to the Total Warning System (TWS) module to produce five sets of five tone bursts. "An air bag indicator inoperative condition could be caused by: "- damaged wiring on Circuit 608 (BK/Y). "- a damaged or burned out air bag indicator. "- an instrument cluster malfunction." -Rod
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#7
03-12-2007, 01:05 PM
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Re: B1869 Air Bag Lamp Open Circuit
The SRS lights as described in my 2nd post. The SES light as well as the other lights illuminate at the same time.
I'm chasing a P0174, and when it sets the B1869 is also set. If I clear KAM and drive around, the ECS will read SYSTEM PASSED on the NGS+ and will stay that way until the P0174 is set. I'm thinking it might be a false code, but I dont know why as the systems arent related.
__________________
'97 Windstar 164,XXX '99 Taurus 159,XXX S.E. Michigan
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#9
03-12-2007, 02:40 PM
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Re: B1869 Air Bag Lamp Open Circuit
I agree. I addition to checking for an open (or loose) ground, I would reccomend you check the bulk connectors to the cluster as well as the 3 bulk connectors at the firewall behuind and above th fuseblock. Water, a broken plastic connector tab and/or corrosion can play tricks and set all kinds of problem codes giving suspicious readings. Aside from that though, your 2nd post indicating the airbag light sequence (on for 5-6 seconds, then off) confirms the SRS system is working properly and is armed.
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#10
03-13-2007, 02:32 PM
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Re: B1869 Air Bag Lamp Open Circuit
Could be a ground/connector issue as it's getting weirder. Now its a P1744 Torque Converter Clutch code.
I'll check/wiggle the connectors and see if anything comes up.
__________________
'97 Windstar 164,XXX '99 Taurus 159,XXX S.E. Michigan
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