Flashing Airbag Light - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 14 (permalink) Old 03-11-2009, 01:59 PM Thread Starter
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I have a 1990 used sable I bought a few years back. the airbag has always flashed 9 times any ideas why?
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post #2 of 14 (permalink) Old 04-14-2009, 09:02 AM
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Mine just started flashing that code yesterday. Found the code list and 9 is Primary Crash Sensor Circuit - Open or High Resistance. Still trying to find out where that sensor is though.

Here is the link I found with the codes: Airbag Codes
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post #3 of 14 (permalink) Old 04-15-2009, 01:42 AM
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Looks like a broken or disconnected sensor... Hopefully its on disconnected. Try looking for in on the net, if anything I could check on AllData at school .
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post #4 of 14 (permalink) Old 04-15-2009, 01:48 AM
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Air Bag Diagnostic Codes
1989-1991

On the '89-91 systems, you simply count the flashes from the Airbag lamp to get the fault code.
Code Component Fault/Description
2 All Primary Crash Sensors Disconnected.
3 Air Bag Deployment Circuit - Low Battery Voltage or Low Backup Power Supply Voltage
4 Safing Sensor - Diagnostic Circuit Open or Low Primary Crash Sensor Resistance
5 Air Bag Circuit or Crash Sensor Circuit - Shorted to Ground
6 Driver-Side Air Bag Circuit - Open or High Resistance
7 Passenger-Side Air Bag Circuit - Open or High Resistance
8 Primary Crash Sensor - Not Mounted to Vehicle Properly
9 Primary Crash Sensor Circuit - Open or High Resistance
10 Diagnostic Monitor Internal Thermal Fuse - Open Due to Intermittent Short to Ground
1992-

In the 1992 model year the systems changed. 1992 System 2 was used in the Taurus/Sable, Town Car (built after 11/5/91), and Continental. To obtain the code on this system, count two sets of flashes and interpret it as a 2-digit code (e.g., flash-flash pause flash-flash-flash = 23)

Paul Nimz
'10 Red Genesis Coupe
'08 Hyundai Accent
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post #5 of 14 (permalink) Old 04-18-2009, 11:29 AM
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QUOTE (SHOZ123 @ Apr 15 2009, 12:48 AM)
Quote:
Air Bag Diagnostic Codes
1989-1991

On the '89-91 systems, you simply count the flashes from the Airbag lamp to get the fault code.
Code Component Fault/Description
2 All Primary Crash Sensors Disconnected.
3 Air Bag Deployment Circuit - Low Battery Voltage or Low Backup Power Supply Voltage
4 Safing Sensor - Diagnostic Circuit Open or Low Primary Crash Sensor Resistance
5 Air Bag Circuit or Crash Sensor Circuit - Shorted to Ground
6 Driver-Side Air Bag Circuit - Open or High Resistance
7 Passenger-Side Air Bag Circuit - Open or High Resistance
8 Primary Crash Sensor - Not Mounted to Vehicle Properly
9 Primary Crash Sensor Circuit - Open or High Resistance
10 Diagnostic Monitor Internal Thermal Fuse - Open Due to Intermittent Short to Ground
1992-

In the 1992 model year the systems changed. 1992 System 2 was used in the Taurus/Sable, Town Car (built after 11/5/91), and Continental. To obtain the code on this system, count two sets of flashes and interpret it as a 2-digit code (e.g., flash-flash pause flash-flash-flash = 23)[/b]
I went through the whole air bag deal a number of years ago with my 90.
To be safe, disconnect the battery for an hour or so before working on the air bag
systems. The airbag diagnostic module is behind the glove box in a blue plastic
module. The main front crash sensor is above the radiator. there are side sensors
in the wheel wells. they are a small module with arrows for direction on them.

If your lucky, its a bad ground on the sensor. take the sensor off, clean the ground
off under it, check the connector and re install it. You could also pull the sensors
off a junk car and swap them out. As i recall, the sensor above the radiator
(and under the plastic cover) has four bolts to hold it to the radiator support.

Be careful in what your doing. Airbags can be dangerous.

bob



Bob Urz 1989 Vulcan wagon (wife crashed) 1990 Vulcan sedan (sold running) 1993 Vulcan sedan (wife crashed) 1993 Vulcan wagon (beat up like Battlestar Galactica, drove to junkyard on a sad day) 1997 Vulcan sedan (down with multiple coolant leaks), 1998 Vulcan sedan (rescued from being junked twice with broken brake lines and bad rack, currently resurrected)

If Spock drove a Taurus it would be a Vulcan
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post #6 of 14 (permalink) Old 08-08-2009, 11:05 AM
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I have the same issue on a '90. It did that when i got the car. The sensor ground is good, the connector looks good. Is there more than one sensor? Do they often fail?
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post #7 of 14 (permalink) Old 08-08-2009, 08:43 PM
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QUOTE (mwalsh8 @ Aug 8 2009, 11:05 AM)
Quote:
I have the same issue on a '90. It did that when i got the car. The sensor ground is good, the connector looks good. Is there more than one sensor? Do they often fail?[/b]
You need to get the blink code and go from there.
The codes are posted on shotimes.com.
There are three sensors. One dead center on top the radiator,
and two in the front wheel wells. There little rectangular boxes with arrows
pointing forward on them.

You need to find out which one is the issue and reground it or replace it.
If that does not do it, you need to change the air bag computer that is
behind the glove box (blue module)

bob

Bob Urz 1989 Vulcan wagon (wife crashed) 1990 Vulcan sedan (sold running) 1993 Vulcan sedan (wife crashed) 1993 Vulcan wagon (beat up like Battlestar Galactica, drove to junkyard on a sad day) 1997 Vulcan sedan (down with multiple coolant leaks), 1998 Vulcan sedan (rescued from being junked twice with broken brake lines and bad rack, currently resurrected)

If Spock drove a Taurus it would be a Vulcan
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post #8 of 14 (permalink) Old 08-11-2009, 06:57 PM
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Where in the wheel wells? Do i need to remove the plastic panels? Although old, the car only has 31k miles on it.
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post #9 of 14 (permalink) Old 08-11-2009, 06:59 PM
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Sorry... it is code 9 for the primary sensor. It looked perfect, no corrosion on the connector, and it all seemed right. I did order a replacement sensor. Hopefully that will do it.
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post #10 of 14 (permalink) Old 09-05-2009, 07:47 AM
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QUOTE (mwalsh8 @ Aug 11 2009, 05:59 PM)
Quote:
Sorry... it is code 9 for the primary sensor. It looked perfect, no corrosion on the connector, and it all seemed right. I did order a replacement sensor. Hopefully that will do it.[/b]
My daughter's 91 Taurus has acode 9 and I cleaned the ground on it and no luck...

Also found another primary crash sensor at the junk yard but this did not fix the problem. finally found 1 after scouring 4 junk yards...

I had a manual on the air bag system from Ford for this year but can't find it and the dealer wants $120 for a new one... I want to sell the car and not pay ~ 1/3 of what it is worht for a dang sensor...

Any other things that i can do to remedy this issue?

thanks
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