XJ XJ6 / XJ8 / XJR ( X350 & X358 ) 2003 - 2009

Car not starting

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Old Jun 24, 2018 | 10:34 AM
  #21  
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Originally Posted by Colin Ashby
The ENGINE is NOT turning over at all
Then the first thing that has to be determined, is the PATS system preventing you from starting. Please give us a report of the PATS LED activity when you insert the key into the ignition barrel. It's in the center of the dash on top, right next to the windscreen under the grey dark cover and flashes red, and it will either blink or be solid. If blinking, please report the number of blinks, if solid, simply say that it is solid. (this will help determine the state of the transponder in the key which is required before the engine will turn over)
 

Last edited by Box; Jun 24, 2018 at 10:40 AM.
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Old Jun 24, 2018 | 03:10 PM
  #22  
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Originally Posted by Colin Ashby
By inertia switch you mean the one that stops the fuel flow? Yes checked. Spare keys checked.
No it is an electrical switch located in the foot well.
It cuts power to a lot of the systems which includes preventing starting and the the gear selector

Cheers
34by151
 
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Old Jun 24, 2018 | 04:05 PM
  #23  
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From very early in this thread:
"I need to get it to a garage but cannot get it into neutral because of the electronic hand brake. How do I get it into neutral anyone???"

Colin is no longer trying to start the car. He either tried or dismisses all suggestions as to why it won't start etc etc.

Whilst the message above conflates neutral and EPB:
1) You can get it out of Park mechanically if you have to. A bit messy compared to sensible cars.
2) You can get the EPB off as Box alluded to if you have to, or there's a Youtube video on that too. Colin has already implied he has access to the boot..

You guys are trying to fix his car, laudable of course. I'm answering what he asked to do.
"How do I get my Jag to a garage?" It's kinda funny in a crying sort of way.
 

Last edited by ChrisMills; Jun 24, 2018 at 04:34 PM.
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Old Jun 24, 2018 | 05:00 PM
  #24  
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Originally Posted by ChrisMills
From very early in this thread:
"I need to get it to a garage but cannot get it into neutral because of the electronic hand brake. How do I get it into neutral anyone???"

Colin is no longer trying to start the car. He either tried or dismisses all suggestions as to why it won't start etc etc.

Whilst the message above conflates neutral and EPB:
1) You can get it out of Park mechanically if you have to. A bit messy compared to sensible cars.
2) You can get the EPB off as Box alluded to if you have to, or there's a Youtube video on that too. Colin has already implied he has access to the boot..

You guys are trying to fix his car, laudable of course. I'm answering what he asked to do.
"How do I get my Jag to a garage?" It's kinda funny in a crying sort of way.

One, the inertia switch only removes fuel, and does not prohibit the engine from turning over, or unable to get the vehicle out of Park, or release of the EPB. If the vehicle has voltage from the battery, and the ignition can supply power (the reason behind the PATS question) you don't need to rip the vehicle apart, you simply need to turn the ignition to run, press the brake pedal to engage the solenoid in the console and take the vehicle out of Park, which will also release the EPB. Most folks simply try to move the lever out of Park, without following that procedure, which will not work.

If the cable attachment plate on the side of the transmission has lost it's bolts, then you will have to raise the rear by floor jacks and roll it out or get under the vehicle to reattach.
 

Last edited by Box; Jun 24, 2018 at 05:14 PM.
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Old Jun 24, 2018 | 05:10 PM
  #25  
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It is fundamental on any auto car to try ignition, foot brake, get out of Park. It is not even an emergency procedure.

It is not credible that Colin hasn't tried this.
 
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Old Jun 24, 2018 | 05:39 PM
  #26  
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Originally Posted by ChrisMills
It is fundamental on any auto car to try ignition, foot brake, get out of Park. It is not even an emergency procedure.

It is not credible that Colin hasn't tried this.
Good luck.
 
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Old Jun 25, 2018 | 04:14 AM
  #27  
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Default car not starting

Originally Posted by 34by151
No it is an electrical switch located in the foot well.
It cuts power to a lot of the systems which includes preventing starting and the the gear selector

Cheers
34by151
Interesting , but how can I find it? Please tell me. It is a right hand drive so where in the foot well is it located?
 
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Old Jun 25, 2018 | 04:30 AM
  #28  
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I have tried the inertia swirch, but accoriding ti the book this is fuel switch.

I was asked in aprevious post Please give us a report of the PATS LED activity when you insert the key into the ignition barrel. It's in the center of the dash on top, right next to the windscreen under the grey dark cover and flashes red, and it will either blink or be solid. It is solid.
In checking and following the latest suggestions. I switched . All electrical functions are working. but what I find strange is the fan to the radiator is whirring, and the temperature gauge is now on high and red. The car is out in the yard and the sun is hot but would not have thought it that hot!!!
 
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Old Jun 25, 2018 | 04:37 AM
  #29  
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Originally Posted by Box
One, the inertia switch only removes fuel, and does not prohibit the engine from turning over, or unable to get the vehicle out of Park, or release of the EPB.

Not True

As you can see from 01.5 the inertia switch disables a bunch of systems
The Most important of which are in the passenger fuse box
F2 - ECU
F3 - Park Brake
F4 - Instrument Cluster
F19 - ECU, Front Ign Relay, Rear Ign Relay
F33 - TCM, JGATE

Id suggest you check the above fuses have power with the key in Ign II
Without these you wont start, get it out of park or operate park brake
Also the starter relay is controlled by the ECU, without the above it will not crank either
The above is from the MY03.5 onwards. Models before that can be found on page 02.1
For these it disables circuits 6 through 11 which includes the ECU, Gear shift interlock

Cheers
34by151
 

Last edited by 34by151; Jun 25, 2018 at 04:58 AM.
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Old Jun 25, 2018 | 04:56 AM
  #30  
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Originally Posted by 34by151
Not True

As you can see from 01.5 the inertia switch disables a bunch of systems
The Most important of which are in the passenger fuse box
F2 - ECU
F3 - Park Brake
F4 - Instrument Cluster
F19 - ECU, Front Ign Relay, Rear Ign Relay
F33 - TCM, JGATE

Id suggest you check the above fuses have power with the key in Ign II
Without these you wont start, get it out of park or operate park brake

The above is from the MY03.5 onwards. Models before that can be found on page 02.1
For these it disables circuits 6 through 11 which includes the ECU, Gear shift interlock

Cheers
34by151
I didn't review the wiring diagram, but simply what the Owners Handbook stated. Obviously, it does effect more than just fuel. Good catch 34by151
 
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Old Jun 25, 2018 | 06:19 AM
  #31  
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One thing that I have noticed, is that when I disconnect the battery, the Parking Brake disengages automatically. Mine is 2004 XJ6, but it might be the same case for your car.
Shifting in Neutral is easy - put the key and turn it to right without engaging/trying to engage starter, press the brake pedal and move the Neutral. This will work if the Key is recognized by the immobilizer.
 
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Old Jun 25, 2018 | 06:33 AM
  #32  
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Originally Posted by Colin Ashby
I have tried the inertia swirch, but accoriding ti the book this is fuel switch.

I was asked in aprevious post Please give us a report of the PATS LED activity when you insert the key into the ignition barrel. It's in the center of the dash on top, right next to the windscreen under the grey dark cover and flashes red, and it will either blink or be solid. It is solid.
In checking and following the latest suggestions. I switched . All electrical functions are working. but what I find strange is the fan to the radiator is whirring, and the temperature gauge is now on high and red. The car is out in the yard and the sun is hot but would not have thought it that hot!!!
I would once again go back and revisit the inertia switch. Solid PAT means it does recognize the transponder.
 
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Old Jun 25, 2018 | 03:48 PM
  #33  
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Remove those fuses I listed and put the key in position II
Check for power at each fuse the fuse box
This will verify the inertia switch is OK

Cheers
34by151
 
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Old Dec 30, 2018 | 11:01 PM
  #34  
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17:18

 
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Old Dec 31, 2018 | 09:30 AM
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Ring out the old
 
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