Barometric pressure sensor xjs v12 6.0
Does anyone know the location of the barometric pressure sensor on Jaguar Xjs v12 6.0?
i swapped out the entire fuel injection and ignition system with a programmable ECU and direct ignition system (removed the distributor) The engine is running great but the 4spd. GM transmission is in a limp-home mode, after checking all the inputs I am missing the input from the Barometric pressure sensor but I am not able to locate it on the car! Does anyone know where it is? the Jaguar manual shows it being on the right side of the car somewhere in front or at the lower bulkhead but no luck Also when I try to pull the fault codes from the Trans. grounding pin A8 I am not getting any codes flashing, anyone has a better way to pull codes without the JDS? |
It's on the right side, near the bonnet latch under a plastic cover.
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thank you
I will look for it again |
It's under the hood, right hand side, under the plastic cover next to the ABS pump. I'm pointing to it in the picture. This is on my 95 V12.
https://cimg2.ibsrv.net/gimg/www.jag...a393b98cb3.jpg |
Perfect! i found it thank you
is there a Vacuum hose connected to the nipple or is it a vent for measuring Baromatic pressure to feed the ECU with the different altitudes |
Originally Posted by All4Jags
(Post 2745225)
Perfect! i found it thank you
is there a Vacuum hose connected to the nipple or is it a vent for measuring Baromatic pressure to feed the ECU with the different altitudes Regarding the blink test. I have used it on my car. In fact I ran a wire to the console and added a push button switch so I can use it at any time. I'd double check that you are on the right pin. As I recall, it's very hard to read the pin numbers. Are you getting the transmission warning light when you try to drive the car? If not, something is wrong with that. I don't know of anything other than the PDU that will read the V12 fault codes. The WDS recognizes the VIN when you type it in, but the only module it sees is the TEVES IV abs system in the 1995.25 cars. There is no aftermarket system that works, unlike the 95 4.0 vehicles. I'm lucky enough to have found a PDU and VBA, and built my own base station using a circuit board a guy in the Netherlands sells. |
Thank you Jal1234
the light has been on from the minute I got the car started with my new fuel injection/ignition ECU, so I am trying to trace back all the inputs to the Transmission ECU from the OEM control units, (Lucas in the trunk and the Marelli on the passenger footwell) so far I have been able to confirm inputs to the Trans ECU from all of what I see in the wiring diagram except for the pressure sensor, so I will pick up where I left off next weekend as for pulling codes, I had the same problem as you described I use an Autologic that I borrowed from a friend's Jag shop, my 95 XJs 4.0 I can read all the modules, program the idle etc. but on the V12 there is no OBD connection so it sucks, this is why I decided to replace the original system, I kept chasing stupid codes on the trip computer that will never go away permanently I will keep you posted on the trany. |
Originally Posted by All4Jags
(Post 2745264)
Thank you Jal1234
the light has been on from the minute I got the car started with my new fuel injection/ignition ECU, so I am trying to trace back all the inputs to the Transmission ECU from the OEM control units, (Lucas in the trunk and the Marelli on the passenger footwell) so far I have been able to confirm inputs to the Trans ECU from all of what I see in the wiring diagram except for the pressure sensor, so I will pick up where I left off next weekend as for pulling codes, I had the same problem as you described I use an Autologic that I borrowed from a friend's Jag shop, my 95 XJs 4.0 I can read all the modules, program the idle etc. but on the V12 there is no OBD connection so it sucks, this is why I decided to replace the original system, I kept chasing stupid codes on the trip computer that will never go away permanently I will keep you posted on the trany. Jon |
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