AC CODE P0530
Pontiac Grand Prix
2001 GrandPrix, 3.1 V6 110K miles. ac compressor will not engage. the Freon is full and I replaced the high pressure switch but I still have the same code. There is no voltage going to the switch. I would like a print to see how the system is wired but I haven't been able to locate a Haynes manual for this car yet? Any Ideas where I can find a print or how I can fix this?? Driving me crazy, need cool air. Thanks!!!!
August 9, 2007.
August 9, 2007.
P0530....Pertains to A/C Refrigerant Pressure Sensor Circuit its located at the L/side of the engine compartment on the Accumulator.
Have you check all the fuses that's involved in the AC circuit to include the AC clutch relay
Check your high side pressure
If there's a problem with the high side pressure the PCM will not engage the compressor thru the AC pressure sensor same goes with the high pressure cut off switch.
Recheck your pressures
Hope this helps
Pressures are good, swapped the AC clutch relay and checked all fuses. What does it mean if I'm not getting any voltage to the high pressure switch?? Also, are you saying there's a switch on the accumulator that can cause this problem? Thanks for the help!!!!!!
The PCM ( Powertrain Control Module ) controls the system it tells the compressor when to engage thru relays/switches
According to my resources the pressure sensor is on the accumulator.
Sir-if you don't have a working experiences in electrical/electronics best bet is to bring her in to an AC tech this one can be a nightmare to deal with thru the internet. Sorry
Maybe someone in here will jump in and help just be patient and wait Thank You
Just don't have much experience with auto electronics or their locations. Also, there are no switches located on the accumulator, only 2 hard lines. And where is the PCM located??
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