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Jeep Wrangler JK
JK General Discussion
A/C pressure sensor location on 2015 JK?
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<blockquote data-quote="NineLives" data-source="post: 461061" data-attributes="member: 24241"><p>Hello I'm having problems troubleshooting an issue. Actually 2 issues, but seem connected to each other.</p><p></p><p>My current problem sidelining me from driving is that I've blown 2 radiator/cooling fans in less than 2 weeks. I bought this Jeep not even a year ago and don't know how old the fan was prior to it going out 2 weeks ago.</p><p></p><p></p><p>After some general electrical troubleshooting we determined a new fan was in order. The new fan worked 9 days before going out this past weekend.</p><p></p><p></p><p>Background: I changed out MAP and IAT sensors the day it went out 2 weeks ago. I had my battery disconnected because I wanted to clean some of my connections with electronics spray cleaner. I put everything back together, did an ECM reset through the ignition key functions since the battery was out earlier. I drove about 15 miles in stop and go traffic with a/c on and saw my temp gage was very high, EVIC showed 240F. I pulled over when I could at a parts store and when I shut off the engine, a loud burst of compressed air blew from underneath drivers seat and refrigerant was all over my suspension and cat and dripping on the ground. As I stated above, after some general troubleshooting we just replaced the fan the next day and everything seemed fine. But I've since blown the new one.</p><p></p><p>Back to current time: tried to do another electrical diagnostic just for the fan....not looking at a/c stuff. Cannot find where something might be shorting out the fan.</p><p></p><p>I titled this thread "a/c pressure sensor" because I read somewhere that this could be the reason the fan does or doesn't kick on. I'm not entirely sure the fan is actually blown, but it does not come on. We can't get it to come on manually after jumpering a wire. It doesn't run with a/c on and its definitely not coming on when coolant temp requires it to.</p><p></p><p>I'm also leaning toward a TIPM issue even though I don't have typical problems associated with that failure. I do have a high idle and a vacuum leak codes I've been chasing for weeks. Which is why I was changing some sensors out a couple weeks ago. Oh and the coolant temp sensor is good.</p><p></p><p>It's at a dealership right now and surprise surprise, after 8hrs they "can't find the problem".</p><p></p><p></p><p>This my daily driver AND work vehicle. I'm self employed. No vehicle, no work. And I've given away work every day since Saturday. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3995" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>Not sure where the a/c pressure sensor is located on my vehicle.</p></blockquote><p></p>
[QUOTE="NineLives, post: 461061, member: 24241"] Hello I'm having problems troubleshooting an issue. Actually 2 issues, but seem connected to each other. My current problem sidelining me from driving is that I've blown 2 radiator/cooling fans in less than 2 weeks. I bought this Jeep not even a year ago and don't know how old the fan was prior to it going out 2 weeks ago. After some general electrical troubleshooting we determined a new fan was in order. The new fan worked 9 days before going out this past weekend. Background: I changed out MAP and IAT sensors the day it went out 2 weeks ago. I had my battery disconnected because I wanted to clean some of my connections with electronics spray cleaner. I put everything back together, did an ECM reset through the ignition key functions since the battery was out earlier. I drove about 15 miles in stop and go traffic with a/c on and saw my temp gage was very high, EVIC showed 240F. I pulled over when I could at a parts store and when I shut off the engine, a loud burst of compressed air blew from underneath drivers seat and refrigerant was all over my suspension and cat and dripping on the ground. As I stated above, after some general troubleshooting we just replaced the fan the next day and everything seemed fine. But I've since blown the new one. Back to current time: tried to do another electrical diagnostic just for the fan....not looking at a/c stuff. Cannot find where something might be shorting out the fan. I titled this thread "a/c pressure sensor" because I read somewhere that this could be the reason the fan does or doesn't kick on. I'm not entirely sure the fan is actually blown, but it does not come on. We can't get it to come on manually after jumpering a wire. It doesn't run with a/c on and its definitely not coming on when coolant temp requires it to. I'm also leaning toward a TIPM issue even though I don't have typical problems associated with that failure. I do have a high idle and a vacuum leak codes I've been chasing for weeks. Which is why I was changing some sensors out a couple weeks ago. Oh and the coolant temp sensor is good. It's at a dealership right now and surprise surprise, after 8hrs they "can't find the problem". This my daily driver AND work vehicle. I'm self employed. No vehicle, no work. And I've given away work every day since Saturday. :( Not sure where the a/c pressure sensor is located on my vehicle. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
A/C pressure sensor location on 2015 JK?
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