HID or LED?

[Suppedraken]

Questions for Ron and like-minded parts of the collecctive brain.

We have HID, or xenon as it's called up here. The wossname on the passenger side is stuck in the down position, and checking the thread about repairing that, I decided that my favourite wife wants LED all round. But...

Regarding daytime running lights in Scandinavia, according to the book of words, "the low beam headlamps are illuminated by a Pulse Width Modulated signal (PWM) for the vehicles fitted with halogen headlamps (when the average voltage exceeds 14V). Vehicles with High Intensity Discharge (HID) headlamps operate the dip beam at normal supply voltage." How does one tell the car that it has halogen lamps instead of HID lamps?

The headlamp adjusting switch unit (the one beside the steering wheel, with the fog light buttons in it) needs to be replaced with a manual level adjusting type. How does one tell the car that it has a different type of headlamp adjusting unit?

The complete lamp units need to be replaced with halogen types. Do they come complete, with the leveling motor?

What about the rest of the HID auto level sensory and circuitry, does it need to be removed?

According to the same book of words, these are the exterior Bulb types:

Has anyone assembled a list of geprüft und führ gut gefunden LEDs and where to buy them?

Anything else that needs knowing?

My apologies for the phletora of questions and my most grateful thanks for any advice.

 

[Suppedraken]

This may be a long-term project...

Jaguar Norway can't or won't say whether the car will need reprogramming or not. Which means that I will have to try it myself.

According to the 2003 Technical Guide, 2003 Electrical Guide and 2002.5 - 2008 Workshop manual, the components involved are rear and front axle sensors, headlight leveling motor, headlight leveling control module and auxiliary lighting switch, which all communicate with the engine control module. After disconneting any of these, "recalibration will be neccessary using WDS."

As for programming, the MongoosePro JLR from Drew Technologies is too expensive, but http://www.obdii.co.uk/car-diagnostic-tools-c-2/jlr-mongoose-for-jaguar-and-land-rover?zenid=p4c3cv188m55o7r8715a0kc5f3 and http://britishdiagnostics.co.uk/ both claim to be able to do programming. I consider buying the latter, as it can run from any laptop and not just XP (as is the case for the OBDII kit), Vista or 7 (as is the case for the MongoosePro kit).

So, what does all this mean? As there are no words to describe how much I hate laying under old cars in the wind, rain, snow and cold, it means that I may have to resort to just repairing the HIDs for now. Instead of risking having to do that anyway, after taking it all apart, changing lamps, etc, only to discover that it didn't work.

I'll keep you posted.

[Suppedraken]

It would seem that the problem is temperature related, because it was cold when it happened and now, when it's warmer again, it works just fine. This is good. Because it gives me time to ponder the schematics and the parts lists, and purchase the neccessary components. And by then it will be summer, kittens, butterflies and all sorts of wonderful things.

On a related note, it is far from the best winter car I've had, but it handles the snow (provided it's not much more than ankle deep) and ice (provided it's not speed skating slick) reasonably well. The differential/ESP could be more advanced, though.

[JOE-DOT-COM]

Hi

The Hid lights is not a easy job to swap to manual adjustment on hight

all the wiring is wrong and the headlight connectors are different

if you can get it diagnosed, its most probably a simple fault like ballast, ignitor

there quite straight forward to swap, headlight has to come off and also bumper

bumper quite easy to remove, takes less than 10 mins to remove

also if the headlights have been unplugged while the battery is connected, the self leveling will stop working and can only be reset with jaguar software IDS/SDD to get them working again

If it were my car I'd get the hid's working, leds are easier to fit to the standard headlights, but not that easy to the hid headlights, also I dont think the led's are as reliable as the oe lights, most cheap led bulbs dont last long due to heat

also if you get plugged in with jaguar ids/sdd it will tell you the faults with the lights

cheers

Joe

 

[Suppedraken]

Well, according to guides, schematics, bulletins and whatnot found at Topix, it seems that some of the hardware must be replaced and some of it may just be disconnected. It also seems that it's possible to reprogram the various modules. But, taking all the good advice into consideration, I may just leave the HIDs and replace the rest with LEDs. Come summer, that is.

One a side note I must say that, impressive at it is, it was a bit disappointing not to find a parts catalogue at Topix.