A/C trouble W210
I have a problem with my A/C the compressor doesnt seem to be kicking in, can anyone by looking at the following readout from the climate control, help me as to what step to take next?
1998 E430 thanks here are the "REST" Button results 1 32 2 28 3 30 4 30 5 30 <-- this was always 55 till i changed the Evap temp sensor 6 86 7 00 <--- this reading bothers me, but what causes and how to fix? 8 36 10 4.5 11 2.2 12 3.4 20 0 21 6 22 000 23 000 <---- I also Question this reading 24 13.5 40 71 41 34 42 72 43 152 I had the following error codes i reset them when i started working on it and none have returned, has been about a week a few hundred miles. 1226 1228 1229 1230 1231 1232 1233 1234 1459 Thanks for any and all help! Jager |
#7 at zero will prevent the compressor operation. Check for pressure in the system the old-fashioned way first.
I haven't looked up any of those codes, but can do so later if you need. |
#7 at zero
None of the error codes are low charge, and shouldnt the climate control be stuck in economy mode, if charge is low?
maybe it didnt get that signal some how, ill check the charge today, thanks |
codes
Those are the error codes from the climate control, not DTC codes
|
05 is coolant temp. 30 is out of range low
"05 is coolant temp. 30 is out of range low"
my chart says #5 is Evaporator sensor temp, and #6 is coolant temp ? is myne wrong? also as i said the evaporator temp sensor i changed because it (#5) was always at 55, it now changes properly with the temp of evap housing. |
5 is evaporator, 6 is ECT.
|
Does this sound like maybe my hi pres switch might be bad? is there anyway to test or bypass this to check before replacing?
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Frankly, I don't know how it works, other than the fact that it's not a switch, takes a regulated +5V supply and ground, and produces an output to the climate-control unit N22.
I need to dig out my climate-control diagnostic manual for another reason, and I'll try to remember to look for any test for this. Did you put a gauge on the system? You should see at least 30psi on the idle system (and that's very low - should be higher) if it's warm enough for the AC to be needed. |
A/C is ok now
I put a guage on it and it was quite low, charged it and now seems to be working fine, I dont know why the EC didnt stay on, or i didnt get a low charge error code, but it working great now, thanks for all the help!!
Jager |
Quote:
I'm about to put some dye in my system. I'm afraid of what I'll find out. |
A common leak point with the 210 systems is the one foot hose from the receiver/drier to the compressor. Look for oil at the connection to the receiver/drier.
Len |
Leak
I checked the hose you mentioned, and all around that i can see, and im not seeing any oil spots or anything unusual, ill keep an eye on the charge and if any changes dig further for a leak
thanks Jager |
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