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1998 Cadillac STS
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18 Posts
Discussion Starter · #1 ·
I have a 98 STS and it throwing a IPM B1310 code

B1310 - Ambient Air Temperature Sensor Failure
What does this part do?
Just wondering if it's anything to worry about right away or if it's something that can be fixed later on?

Any info would be helpfull
 

· Registered
1989 Fleetwood FWD / 2000 ETC / 2000 STS / 2006 STS V-8 1SF RWD
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476 Posts
Hello...

It is my experience that the Ambient Temp Sensor is also called the "Aspirator" which is a 1" square intake vent located inside of the cabin to the left of the steering wheel near the headlamp switch. The sensor must be good so the AC works properly. R+R is fairly easy.

The extenal temp sensor under the hood also must be good so the AC will work properly. R+R is fairly easy.

Was the code current or history?
I would clear the code, drive the car for a few miles, and then check codes again BEFORE YOU TURN OFF THE ENGINE (WHILE THE ENGINE IS RUNNING). This way you will know if the code is current or history.

If it doesn't come back, don't worry about it.

Post back your solution.
 

· Registered
98 Deville, '15 Ford Fusion Hybrid Titanium, '12 Ford Escape
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3,296 Posts
My FSM lists the B1310 as Outside Air Temperature Sensor Failure with the following key information:

- A blank is displayed on the Drivers Information Center
- A default value of 15*C (59*F) will be used by the IPM to allow operation of the A/C System.


I would still do what ElDawg suggested, clear codes, and see if it comes up again.
 

· Registered
1998 Cadillac STS
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18 Posts
Discussion Starter · #5 ·
I cleared the codes before I left work tonight and rechecked the codes when I got home and the same code is coming up along with a few others I already know about. my outside temp is reading 10C (50F) it's only just started reading this in the last 3 weeks, it was reading 50C (122F) for the longest time, and the A/C is blowing nice and cold. I tried it on the way home. So with that said I have to think it's the Outside Air Temperature Sensor, but that I don't care about. the code only comes up it I scan for codes. If I don't scan it's showing nothing is wrong.

Thanks for the quick replys
 

· Registered
98 Deville, '15 Ford Fusion Hybrid Titanium, '12 Ford Escape
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3,296 Posts
Shaun03 said:
If I don't scan it's showing nothing is wrong.
That is true. That code is not one that will trigger the Service Engine Soon light. Like my B1341 code I get every so often, its in history but doesn't trigger the idiot light.
 

· Super Moderator
2010 DTS
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89,562 Posts
ElDawgg 2G said:
Hello...

It is my experience that the Ambient Temp Sensor is also called the "Aspirator" which is a 1" square intake vent located inside of the cabin to the left of the steering wheel near the headlamp switch. The sensor must be good so the AC works properly. R+R is fairly easy.
Ambient air tempurature sensor, senses outside air temp. Asperator samples cabin air temp.
 

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´67 Eldorado, ´96 Eldorado
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522 Posts
I just bought 1996 DeVille and it is missing outside temperature wires/connector.
I suspect, that when this car had accident, some local "geniuses" cutted those wires, when they dont had idea, where this connector goes.
Can anyone advise, where i can found those wires? (now my AC and heating doesnt work as it should - it is in default outside temp mode...)
I looked FSM and it shows wire colours - black and black/lt. green but i cant locate them anywhere.
Maybe someone can put here photo or something?
It is getting damn cold here and i am really need proper heating.;)
 

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´67 Eldorado, ´96 Eldorado
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522 Posts
yes, i see sensor but no wires - also i dont see any possible cutting places in this one big wiring harness, what goes upside radiator support.
Thats why i think picture can help me. I think, this is harness, from where those wires must come...
 

· Registered
´67 Eldorado, ´96 Eldorado
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522 Posts
Edit: Finally i found those wires. Yes, they were in this big wire harness (green/black and black) - carefully isolated and hided. Right in center of radiator support.
I wonder why to see such job, to hide them, easier way is to let them sit in right place, connected to sender :D
I made new contacts, pluged in and now i have again outside temp in CCD :)
 
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