Car: 1993 Audi 90
I'm trying to recharge my car's A/C and I can't get the compressor to turn on at all, not even once has it turned on. I have tried jumping both the high pressure switch and the A/C relay while the engine was running and got nothing. I'm pretty sure the compressor is not locked up. I was able to turn the A/C compressor by hand with the serp belt off, but I don't know if that would tell me anything. On the climate control panel inside the car I am unable to turn the A/C on, when I press the button it lights up but then goes away when lift off the button. I have added refrigerant and also PAG oil but still can not get the compressor to engage. If I'm not mistaken, jumping the A/C relay should bypass all of the switches and sensors and force the compressor to run, or am I missing something?
I'm trying to recharge my car's A/C and I can't get the compressor to turn on at all, not even once has it turned on. I have tried jumping both the high pressure switch and the A/C relay while the engine was running and got nothing. I'm pretty sure the compressor is not locked up. I was able to turn the A/C compressor by hand with the serp belt off, but I don't know if that would tell me anything. On the climate control panel inside the car I am unable to turn the A/C on, when I press the button it lights up but then goes away when lift off the button. I have added refrigerant and also PAG oil but still can not get the compressor to engage. If I'm not mistaken, jumping the A/C relay should bypass all of the switches and sensors and force the compressor to run, or am I missing something?