Air bag code 52

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Jan 4, 2011 | 06:48 PM

DOUG5G

Thread Starter

Mountain Pass

Joined: Jun 2003

Posts: 208

Likes: 3

From: Norfolk VA

Air bag code 52

I have ingnored my flashing air bag lght for a while. Since my horn also quit working I knew it was the clockspring. I just replaced it with one from the junk yard. The horn now works but I am getting code 52. I found this page Ford Aerostar Air Bag Code 52 but it tells me troubleshoot around circuit 611 and 612. My factory CD doesn't even show these circuits. Any hints on troubleshooting this code?

Thanks
Doug
1993 3.0L

Jan 4, 2011 | 09:16 PM

DOUG5G

Thread Starter

Mountain Pass

Joined: Jun 2003

Posts: 208

Likes: 3

From: Norfolk VA

I did find the circuits on my factory CD. I was able to verify that they read open. I have not been been able to read the voltage. Hopefully tomorrow I will have an update.

Jan 5, 2011 | 02:14 PM

DOUG5G

Thread Starter

Mountain Pass

Joined: Jun 2003

Posts: 208

Likes: 3

From: Norfolk VA

$15 for new diagnostic module from the local salvage yard and she is fixed. It was the blue box with the fuse that blows!

Jan 5, 2011 | 04:01 PM

xlt4wd90

Lead Driver

Joined: Sep 2003

Posts: 7,016

Likes: 208

From: SoCal

Good work.

Aren't salvage yards wonderful?

Jan 6, 2011 | 08:22 AM

DOUG5G

Thread Starter

Mountain Pass

Joined: Jun 2003

Posts: 208

Likes: 3

From: Norfolk VA

Half way to work it started flashing code 52 again. Since the resistance check was good and I replaced the module I am lost at how to fix this. It has to work in order to pass the va state inspection. Anybody out there have any ideas?

Thanks
Doug

Jan 6, 2011 | 04:41 PM

96_4wdr

Post Fiend

Joined: Apr 2005

Posts: 5,720

Likes: 5

From: Washington state

circuits 611 and 612 should have at least 16v after 40 secs engine run.
circuits pin 15 W/O and p23 P/O
if not the capacitors are shot or the thermal fuse is blown again.

suspect you have an intermittent short to chassis ground somewhere in wiring 611 or 612, insulation worn through on sheet metal or failing intermittent internal short sensor