2001 Town and Country A/C problem

accesslimo · #1 06-15-2009, 09:35 PM

here is what i know. refrig level ok, fuses and relay ok, no power to plug at compressor, either wire. What am i missing. cant find a scematic anywhere. Also, the blowes,both front and rear, only work on high. i pulled the switch panel out and back probed all the wires to see if any changed with the switch being turned on or off, nothing changed. Does the switch send a neg. signal? ANY HELP WOULD BE GREAT!!!!!

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accesslimo · #2 06-15-2009, 10:01 PM

Also...i tried jumping the plug on the acc...it didnt turn on the clutch and it bogged the van down/????

George Rhude · #3 06-30-2009, 08:47 AM

Normally the fans only working on high is caused by the blower resistor located in the heating duct being defective. This is accessed by removing the glove compartment. I went to NAPA to get my new resistor. Good luck, George

kev2 · #4 06-30-2009, 04:20 PM

I cannot attach the schmatic....my bad.....is this manual or automatic climate control ?
fuse 18 good? at a/c relay remove relay use dvom probe termnal 30 AND 86 CAVITY BOTH SHOULD BE 12V?

only high speed blower is this a new issue or system worked before with HI only?

how do you know that the refridgerant pressure is adaquate?
ALWAYS use gauges for A/C work both HIGH and low!!
STOP jumping A/C switches...

suggestions:
post the static pressure* PCM must see correct tranducer reading ... check for codes both CEL and Heater A/C controler..... there are directions in owners manual....

*There is a minimun press requirement