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Here tis- Karl...... https://www.jaguarforums.com/forum/s-type-s-type-r-supercharged-v8-x200-15/epic-troubleshooting-guide-climate-control-how-185002/ Title An Epic Troubleshooting Guide for Climate Control HOW TO

Check the votages going to the DCCV, I can't remember whether they go high or low to stop the hot coolant. Obviously on cool there must be no hot coolant. I changed the DCCV first for a cheap one, but it wasn't the problem. It is still going fine after 3 years. There is an excellent guide which I posted the URL to on here 3 years ago. Unfortunately my problem was the A/C compressor, Still it could have been worse! The system is quite complicated, With the help of the guy who wrote the guide (Carl, I think, from the US), and a couple of weeks of comms between us to eliminate all possible faults I had a Compressor test done by a Specialist A/C company here in Spain and they confirmed a tired compressor. A real !Removed! of a job to change on the diesel, it comes out from the top unlike all the other models and the manual is also wrong on various steps.