A/C CLUTCH SOLENOID
05-09-2005, 09:10 PM
#41
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
JEEPR did pass the time by typing:
> Initially it was but it is also doing it in the off selection, why?
Let's back up one step.. do you have automatic climate control?
If so then there are some other tests you can run to figure out
what's going on.
--
DougW
> Initially it was but it is also doing it in the off selection, why?
Let's back up one step.. do you have automatic climate control?
If so then there are some other tests you can run to figure out
what's going on.
--
DougW
05-09-2005, 09:48 PM
#42
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
Doug
no auto climate control
what does defrost have to do with the ac compressor
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
no auto climate control
what does defrost have to do with the ac compressor
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
05-09-2005, 09:48 PM
#43
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
Doug
no auto climate control
what does defrost have to do with the ac compressor
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
no auto climate control
what does defrost have to do with the ac compressor
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
05-09-2005, 09:48 PM
#44
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
Doug
no auto climate control
what does defrost have to do with the ac compressor
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
no auto climate control
what does defrost have to do with the ac compressor
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
05-09-2005, 09:48 PM
#45
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
Doug
no auto climate control
what does defrost have to do with the ac compressor
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
no auto climate control
what does defrost have to do with the ac compressor
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
05-09-2005, 09:49 PM
#46
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
ECU?
what is that?
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
what is that?
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
05-09-2005, 09:49 PM
#47
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
ECU?
what is that?
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
what is that?
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
05-09-2005, 09:49 PM
#48
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
ECU?
what is that?
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
what is that?
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
05-09-2005, 09:49 PM
#49
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
ECU?
what is that?
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
what is that?
--
Matt
0|||||||0
Tact is the ability to describe others as they see themselves
"DougW" <post.replies@invalid.address> wrote in message
news:HQTfe.8145$Ri4.2260@okepread07...
> JEEPR did pass the time by typing:
> > When I pull the relay the solenoid de-energizes.
> > I'm thinking there is a short somewhere or chaffed wire, supplying maybe
a
> > ground for the solenoid to energize.
>
> That is the only thing it could be apart from the AC being on or the
> setting being defrost.
>
> The ECU provides a ground (transistor switched) to the relay. A short
> anywhere along that wire will energize the relay.
>
> Next step would be to disconnect the battery, and disconnect the harness
> from the ecu then ohm out the line. Watch that center bolt for the ecu
> plug, it's only there to hold the plug in, not to suck it in. Don't try
> to make the plug go in by cranking on the bolt, you will crack the ECU.
> That and it only goes hand tight, like a screw into plastic.
>
> In the meanwhile if you don't want it running you can simply yank the
> relay. Pulling the high/low pressure switches (either one) will set a
> fault code but will also shut off the relay by removing the power feed.
> A short in the ECU output to that AC relay won't hurt the ECU.
>
> --
> DougW
>
>
05-09-2005, 10:08 PM
#50
Guest
Posts: n/a
Re: A/C CLUTCH SOLENOID
Electronic Control Unit:
http://www.acronymfinder.com/af-quer...=ECU&Find=Find
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
JEEPR wrote:
>
> ECU?
> what is that?
http://www.acronymfinder.com/af-quer...=ECU&Find=Find
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
JEEPR wrote:
>
> ECU?
> what is that?
