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Old 08-06-2001, 07:23 PM
David C Klasse's Avatar
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Join Date: Jan 2001
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A/C Diagnostics Codes

On the 1995 C280:

I recently reviewed 4 stored faults in the AC system, retrieved via PBU. I then deleted the 4 faults, and a week later checked out what came up. 2 of the 4 came back, and always come back.

The 2 recurring codes are:

60: A/C Compressor Electromagnetic Clutch (A9k1).
Cause: Short or Open Circuit. Intermittent (not continuous).

82: Switchover Valve Block (Y11/3), Tempering Flap.
Cause: Short or Open Circuit. Intermittent (not continuous).

Now I am not especially worried because they are Intermittent and not continuous codes. But what exactly do they mean?

Thanks for the help.
2006 E350 w/ 155k miles (Daily Driver)

1993 300E 3.2L Sedan w/ close to about 300k miles
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Old 08-07-2001, 08:19 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
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The A/C pushbutton applies current directly to both of these componets, & if the draw is too high or too low then you will get this type of code! IN most cases they are meaningless, however if the A/C clutch current draw is too high then it can damage the control unit.
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