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Old 12-07-2003, 08:36 PM
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airbag light

i just replaced my heater core, after i got done i started it up, and now i have a flashing airbag light, it flashes 2 times the after a second it flashes 5 times then stops for a few seconds then it comes back, is this something i can take a look at or should i take it somewhere?
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Old 12-08-2003, 06:55 AM
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lamp fault code 25 does not exist in ford books, could you check it again?
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Old 12-08-2003, 07:19 AM
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Any chance it's code 52 instead of 25?
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Old 12-08-2003, 08:31 AM
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If you had the ignition switch turned on with the airbag disconnected you might get the code 52. It means there was a loss of battery voltage to the module. Removing a battery terminal for 10 minutes will probably clear it but if it doesn't you'll have to take it in to get it scanned and cleared.
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Old 12-08-2003, 10:16 AM
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yeah yall are right it is a code 52, i just disconnected the battery, hopefully that works, if not i will take it done and get it scanned. thanks for the help yall.
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Old 12-08-2003, 12:29 PM
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well, i disconnected the battery for about 20 minutes, and the light was still there, so i took it down to the car parts store to have them read the codes and erase them, but nothing showed up. on the way home after the airbag light would do its 5 blinks then 2 blinks about three or for times then just stay on. what should i check?
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Old 12-08-2003, 12:36 PM
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TRY THIS

B1867 12/52 Lost or low battery voltage GO to Pinpoint Test A.

Pinpoint Test A: LFC 12/52/DTC B1867 — Lost Battery Feed or Low Battery Feed Voltage

Normal Operation

The air bag diagnostic monitor (14B056) measures the voltage at Pin C209-14, Circuit 937 (R/W). The voltage at Pin C209-14 should be equal to battery voltage. If the voltage at Pin C209-14 drops below 8 volts, the air bag diagnostic monitor will flash a lamp fault code (LFC) 12 on the air bag indicator. If the voltage at Pin C209-14 drops below 5 volts, the air bag diagnostic monitor will store diagnostic trouble code (DTC) B1867 in its memory. Should the loss of battery voltage at Pin C209-14 be intermittent or repaired, the air bag diagnostic monitor will flash an LFC 52 (or higher priority code if one exists) on the next ignition switch cycle.

Possible Causes

WARNING: Do not under any circumstances substitute another fuse value for the power distribution box fuse 2 (10 a). Any fuse other than 10 a can cause disarming failure and can result in danger to the occupants of the vehicle. Do not attempt to replace the power distribution box fuse 2 (10 a) unless the battery ground cable has been disconnected and the backup power supply energy has been depleted. To deplete the backup power supply energy, disconnect the battery ground cable and wait one minute. Be sure to disconnect auxiliary batteries and power supplies (if so equipped).

NOTE: If a short to ground exists on any of the air bag module Circuits 607 (LB/O), 614 (GY/O), 615 (GY/W), or 616 (PK/BK), leading to a lamp fault code (LFC) 13 or 53 and a diagnostic trouble code (DTC) B1913; or, similarly, a short to ground exists on any of the air bag sensor circuits 617 (PK/O), 619 (PK/W), 624 (Y/W), or 625 (Y/LG), leading to an LFC 14 or 54 and DTC B1914, the air bag diagnostic monitor will activate an internal solid state switch at Pin C209-13 of the air bag diagnostic monitor. The activation of this switch shorts Circuit 937 (R/W) to ground, causing the power distribution box Fuse 2 (10 A) to open, thus disarming the air bag supplemental restraint system (SRS) and preventing inadvertent air bag deployment.

Lost battery feed voltage at Pin C209-14, Circuit 937 (R/W) can be caused by:

an open in Circuit 937 (R/W).
an open in the power distribution box Fuse 2 (10 A).
an open in the circuits feeding the power distribution box Fuse 2 (10 A).
a short to ground on Circuit 937 (R/W).
Low battery feed voltage at Pin C209-14, Circuit 937 (R/W), can be caused by:

A concern in the charging system causing battery voltage to drop below 8 volts.
After the air bag diagnostic monitor has disarmed the air bag system, it will not be enabled to disarm again until the appropriate condition (DTC B1913 or B1914) has been repaired and cleared by performing the appropriate pinpoint tests.

NOTE: USE THIS AT YOUR OWN RISK!!!!!
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Old 12-08-2003, 05:29 PM
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well, i checked the grounds, and all the connectors again, there is one connector left on the passenger side, but i am pretty sure that it wasn't hooked up to anything before i took it all apart. but there is still an airbag light, and my dome light won't turn off so i guess i gotta replace that door switch too. could someone help me out with those instructions above. i can't seem to figure it out
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Old 12-09-2003, 05:36 AM
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Re: TRY THIS

Quote:
Originally posted by emtabmm
lamp fault code 12= Lost or low battery voltage
Pinpoint Test A: LFC 12 = Lost Battery Feed or Low Battery Feed Voltage


Lost battery feed voltage at Pin C209-14, Circuit 937 (R/W) can be caused by:
an open in Circuit 937 (R/W).
an open in the power distribution box Fuse 2 (10 A).
an open in the circuits feeding the power distribution box Fuse 2 (10 A).
a short to ground on Circuit 937 (R/W).

Low battery feed voltage at Pin C209-14, Circuit 937 (R/W), can be caused by:
A concern in the charging system causing battery voltage to drop below 8 volts.

NOTE: USE THIS AT YOUR OWN RISK!!!!!

in a nutshell...........
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Old 12-09-2003, 08:18 AM
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Tamu I wonder if the car parts place that you had scan your truck can read Airbag codes? If the light has been flashing there should be a code. You might have to take it in to a dealer and get it scanned with a proper scan tool.
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Old 12-09-2003, 03:10 PM
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Have you ever fix this problem, my 98 Ranger started to do the same thing about a couple weeks ago. I was pretty sure it was a code 25 but it looks like it doesn't exist so it must be a code 52 for me also. The airbag light in the dash goes away for me if I turn the truck off, disable and enable several time the passenger airbag with the key (like off/on about 5 times or so) and then start the truck again. The airbag light stays off for about 1 or 2 days and then comes back on. So I think that the problem is in the Passenger Airbag Deactivation switch... Any comment !!!
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Old 12-09-2003, 04:18 PM
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handyman - i just tired that to mine but the light still comes on. i think that either i didn't hook something up right under the dash, or missed a plug. i checked and there is only one that is unlplugged on the passenger side, i am going to check when i take a look at a friends truck next time i see him.

racerguy - i bet your right about the parts store not having the right tool , i knew for my transmission i had to take it to a shop to get it scanned. i will take my truck down to the dealer this week and have them check it out. plus i want to check out the prices on a 03' ext cab 4x4.

i was reading on another website that there is a way to clear the airbag codes by shorting a wire to ground, but i don't feel like trying this out especially on an airbag. if i knew whati was doing it would be a whole other story. but its not bothering me to much right now, the way i drive it covers the light
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Old 12-09-2003, 06:50 PM
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I just changed my Passenger Airbag Deactivation (PAD) switch with an old one I had with a code 27 on it. I went to Radio Shack and bought a 12 volt bulb and replaced it (had to do some soldering) It seems to be working properly for now, I will keep you guys posted. I think all a long the problem was with that dame PAD switch.

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Old 12-09-2003, 06:50 PM
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