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  #46  
Old 05-09-2010, 07:19 PM
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Join Date: Feb 2001
Posts: 171
Hi all,

I have a 1998 E320 and the a/c has stopped working for a few months now. I recharged the freon last year and the a/c worked for a few days. The car was in storage for a couple of months and when I started driving it again late last year the a/c was MIA again.

The controls and the fans are working. The heating works too. But the air that blows out is just outside air for the moment.

I accessed the error codes using Charle's method and got the following readings (I'm inlcuding 2 or more readouts ):

1 109/103
2 78/75
3 89/91
4 89/91
5 132/134
6 129/123
7 00
8 80
9 27
10 0.8 (5.7 with car running and fan at full)
11 4.0/4.1
12 2.3/3.6/2.1
20 3.2
21 32 (44 with car running and fan at full)
22 00
23 32
24 11.6 (13.3 with car running and fan at full)
40 164
41 32
43 152

The codes stop at 43. I tried clearing the codes by pressing ^ and V buttons simultaneously, but that didn't do anything. The display still shows the error codes.

The display does return to normal a few minutes after I turn off the car or remove the ignition.

I am not sure how to read these codes nor how to reset the codes.

Much obliged for any suggestions.

Cheers!

Mars

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  #47  
Old 05-09-2010, 08:27 PM
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Join Date: Oct 2005
Posts: 4,263
Those are sensor values and not codes, and thus they aren't reset. Is your EC lamp stuck on? If not, it should be. You need to extract the diagnostic trouble codes (DTC) for the system in any case, because you'll have to reset them once you fix the real problem.

The real problem is a refrigerant leak. Find it and fix it.
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  #48  
Old 05-09-2010, 10:33 PM
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Join Date: Feb 2001
Posts: 171
Thanks for the tip, matt. Am I correct in assuming that I should be looking for some black tubing somewhere from the left side of the engine bay? If there's no refrigerant present in the system, do i need to get the a/c recharged in order to find the leak?

I checked on the error codes using the Hi Lo and EC Rest method and got the following:

Eb1 235
Eb1 416
E FF

Not sure what that means. Does anyone have any clue?

Thanks!

Last edited by Maruzo; 05-10-2010 at 03:00 PM.
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  #49  
Old 06-20-2012, 08:17 PM
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