1994 Jaguar XJ6 - Answered Questions & Fixed issues

Question moved from 'Edge Computers'. It could be that the compressor itself is failing. It could be the electronic clutch on the unit. It could be the belt slipping if it makes a loud unnatural squealing noise. That is very low mileage at nearly 13 thousand miles, but as a 1994, the AC may need refrigerant gas.

Try gently moving the shifter around while cranking the engine (while in the park position). There is a sensor in the J-shift that will prevent the proper voltage from reaching the main computer if it is out of adjustment. This problem drove me nuts until I figured it out. I would start and run fine, then it was like the fuel pump went out. Good Luck (I know it's an old post but it might help someone)

Look here ,free wiring diagrams http://www.bbbind.com/free_tsb.html Enter vehicle info. year make model an engine size. Under system click on engine , then under subsystem click on fuel controls . Click the search button then the first blue link .The # 5 & #6 diagrams show fuel injectors

if your car is the xj40 model the lighiting logic module is under the fascia close to the lighting switch but i think the problem is more likely to be a earth problem or simply the bulbs the twin headlamp car has one twin filament bulb on the outer and one single on the inner so if both main beam filaments fail thats what will happen

same as mine just put key in ignition and start it ands alarm will go off .i put mine down to the fact that its a show car so its left in garage with battery disconnected .

i have one but its in book form and take too long to scan it all .Try a haynes manual their not very good i admit but it might do what you want it to .

was it a new one or a second hand one?

Go for the jag ,motorway cruiser with a toffs interior ,i have one and its like a dream when iam on the motorway,110mph 5 people and it kicks down and pulls like nothing else ,it just purrs like my cat

I had the same problem! All you do is call your closest Jaguar dealer and give them the serial # that is under the radio(so you have to remove the radio) they did it over the phone for me and they will give you the code, it's usually gonna be a 1- 6 combo cause thats the numbers for programming if you notice.

This will be itemised in your drivers handbook.

if its stuck in park the most likely cause is a faulty brake pedal switch, you can release the shift lever if you unscrew the little star shaped plug near the gearshift and insert a small screwdriver or similar to manually release it. also sounds like the gear selector cable may be out of adjustment it will not start/crank if the switches on the gear lever (jgate} and the gearbox switches are not in harmony with each other. hope this helps.

1994 ?? same as mine and you just lift the flap and unscrew the cap ,,,sure its not a 2004 ,safety back up cable inside the boot

open bonnet and front left near blue cap ? is a fuse box the fuse you are looking for a 20A fuse the number is 7 and its a blade type , also fuse boxes in passenger compartment lower side . there is another fuse box further back in the engine bay , all you have to do is take them out one by one remembering to put fuse backin before moving on I just got the info from the web .have a good day and happy driving .

behind the dash is a computer for the climate control and on this board is two relays and then have packed up ,so what you do is to connect a live feed direct to the motors ,then they will work on the earth return for the speed control.the fuses for each motor are in a fuse box either side of the dash and i think its about the third or fourth fuse in the middle row a 20 amp one that if the fuse for the blowers so use this and wrap a wire around the leg of the fuse on the user side not the supply check with a meter ? and run this wire to the blower motor

Hey colin I need your help bigtime
I cant find a way to message you on here.I need to bypass the pats system on a ford focus...I took the case off the alarm
computer....I ran a hot wire to the fuel pump and the starter,how can I get spark

I have less than fond memories of tracing electrical troubles in a Jaguar (though much older than yours). Here's the basic process you need to follow: 1. Pull all the fuses. Does the battery drain overnight? If yes, then a circuit that is not fuse protected is the problem. Start with starter/solenoid, etc. Disconnect each thing and test with meter. 2. If battery drain stops, then use meter to check current drain on each fuse. One will have more than a trickle. 3. Once you find which system is draining, you can narrow it down further by disconnecting each thing on that circuit. Yeah, It's a pain, and may take days, but you can find it.

Fuses are all located either under the bonnet or in the boot. Check the fuse map and then check all fuses that could be linked to the radio. Including 'ice head unit' fuses.

The fuses for the radio/cd player and all other audio devices are in the rear fuse box located in the trunk area.

Sounds as if SENSOR not working , when temp reached.

Don't drive is it a back fire or a misfire. Is the car low on power is the engine running rough have you a warning light on, is there oil in the water. A backfire with rough running might be a blown head gasket check the compressions. And let us know the outcome.