LED Side Lights

GaryWilliams2014 · Oct 20, 2014

Hi All,

I have replaced my ordinary sidelights with nice bright white LED's. They work fine but every time I turn the ignition on (and off) I get the warning chime and the message (check sidelight bulbs) displayed.

How can I tell the system that these bulbs are OK?

Cheers

Gary

Datatek · Oct 20, 2014

GaryWilliams2014 said:
Hi All,

I have replaced my ordinary sidelights with nice bright white LED's. They work fine but every time I turn the ignition on (and off) I get the warning chime and the message (check sidelight bulbs) displayed.

How can I tell the system that these bulbs are OK?

Cheers

Gary

You can't, you need CAN BUS LED's

robhew86 · Oct 20, 2014

+ 1, as Keith says.
I got these recently;

2x CANBUS ERROR FREE 8 SMD LED XENON HID PURE WHITE W5W T10 501 SIDE LIGHT BULBS | eBay

Match the HID's nicely, bright and error free

Discotigger · Oct 20, 2014

I've got a set of canbus error free sidelights, plus some error free fog light bulbs...however, when I turn the ignition I get a noticeable flicker from the side and fog lights, almost looks like a disco. Don't get any errors, but it looks 'funky' when people see the bulbs flickering for a few seconds whenever I start up the Rangie.
I know it's just the ecus testing the bulbs that causes the flickering, but are there any side/fog/full beam bulbs available that don't produce the 'disco effect'?

I've got 6000k xenons that are nice and white, but would also like to get some good 'white' matching full beam bulbs, so anyone got any recommendations please.

2.0_hippo · Oct 20, 2014

Guys do it properly and do the 2010 conversion for proper LED's

Iv been where you are, trying lots of different canbus jobbys

2.0_hippo · Oct 20, 2014

Discotigger said:
I've got a set of canbus error free sidelights, plus some error free fog light bulbs...however, when I turn the ignition I get a noticeable flicker from the side and fog lights, almost looks like a disco. Don't get any errors, but it looks 'funky' when people see the bulbs flickering for a few seconds whenever I start up the Rangie.
I know it's just the ecus testing the bulbs that causes the flickering, but are there any side/fog/full beam bulbs available that don't produce the 'disco effect'?

I've got 6000k xenons that are nice and white, but would also like to get some good 'white' matching full beam bulbs, so anyone got any recommendations please.

You will struggle to get "white" full beams as they are halogen not xenon lamps

Closest you could get would be those osram night breaker lamps

robhew86 · Oct 20, 2014

2.0_hippo said:
Guys do it properly and do the 2010 conversion for proper LED's

I hate parking mine up and leaving it anywhere as it is, let alone with facelift lights and looking like a £25k car not £7k.
I can't be bothered with even more worry of and some jelous ^*$ keying it or coming back to it and finding the lights missing and on eBay for £400.....and it DOES happen sadly

Discotigger · Oct 20, 2014

@ 2.0 Hippo, the Osram Nightbreakers are probably what I'll go for, cos you can't get any leds that suit the xenons.

I'd love to get a facelift...but SWMBO would have to come first!!

ukadamwest · Oct 20, 2014

I have the Osram night breakers in all my cars now, living down unlit country lanes it makes a huge difference.

on the P38, night breakers all round, full beam with fogs lights up the road like Brighton pier.

2.0_hippo · Oct 20, 2014

robhew86 said:
I hate parking mine up and leaving it anywhere as it is, let alone with facelift lights and looking like a £25k car not £7k.
I can't be bothered with even more worry of and some jelous ^*$ keying it or coming back to it and finding the lights missing and on eBay for £400.....and it DOES happen sadly

Yes, a shame that such scum exist and insist on taking what we work hard for !!

Had some research on this and it seems it's the the Range Rover sport lights, particularly the rear lights that can be removed without any access !!

Stupid design !

robhew86 · Oct 20, 2014

2.0_hippo said:
Yes, a shame that such scum exist and insist on taking what we work hard for !!

Had some research on this and it seems it's the the Range Rover sport lights, particularly the rear lights that can be removed without any access !!

Stupid design !

I know the facelift D2 lights go walkies too, then sell for silly money.

We could soon sort the feckers out, a lack of sleep for a night and a loaded shot gun could sort things

:amen:

2.0_hippo · Oct 20, 2014

robhew86 said:
I know the facelift D2 lights go walkies too, then sell for silly money.

We could soon sort the feckers out, a lack of sleep for a night and a loaded shot gun could sort things

:amen:

+1

will be getting security nuts on mine and a 10,000 volt line to the bonnet

ound:

robhew86 · Oct 20, 2014

2.0_hippo said:
+1

will be getting security nuts on mine and a 10,000 volt line to the bonnet ound:

Just remember it's not the volts that kill.... It's the amps...

ound:

davethsparky · Oct 20, 2014

robhew86 said:
Just remember it's not the volts that kill.... It's the amps... ound:

Yes, and then again no.

Without voltage there would be no current flow, and the higher the voltage the easier it is to get a higher current flow.

GaryWilliams2014 · Oct 21, 2014

Ahha! CAN BUS LED's, haven't heard of those. I have invested a whole £2.79 in a pair of suitable LED's from eBay. Worth a shot.

What is the 2010 led conversion? I have tried googleing it but haven't found the information.

Cheers

Gary

Datatek · Oct 21, 2014

Discotigger said:
I've got a set of canbus error free sidelights, plus some error free fog light bulbs...however, when I turn the ignition I get a noticeable flicker from the side and fog lights, almost looks like a disco. Don't get any errors, but it looks 'funky' when people see the bulbs flickering for a few seconds whenever I start up the Rangie.
I know it's just the ecus testing the bulbs that causes the flickering, but are there any side/fog/full beam bulbs available that don't produce the 'disco effect'?

I've got 6000k xenons that are nice and white, but would also like to get some good 'white' matching full beam bulbs, so anyone got any recommendations please.

The ECU does not, as you put it "test the lamps", it certainly does nothing that should make them flicker, lamps are tested by the current drawn in the circuit.
I suggest you check all the connectors and earths and also check the alternator because flickering bulbs are often a sign of a duff diode in the alternator, the faster respons of LED's would highlight this.

holidaychicken · Oct 21, 2014

http://pages.ebay.com/link/?nav=item.view&alt=web&id=271600327311
You can try this link for the ones I bought off eBay which work perfectly in my front sidelights on my 2004
Doing this from my phone so apologies if it doesn't work

Discotigger · Oct 21, 2014

Datatek, from the RR Service Manual on lighting operation.

Bulb Monitoring

Bulb failure monitoring is performed by the LCM processor. The lamps are cold and warm monitored by the MOSFETs
in order to detect bulb failure.
The LCM processor outputs to each MOSFET. This output switches the MOSFET to supply the required output to
power the lamp circuit. The microprocessor evaluates the lamp circuits by detecting the returned signals from the
controlling MOSFET.
When the bulb is functioning normally, the output signal voltage from the controlling MOSFET is 0V. If a bulb in the
circuit fails, an open circuit occurs and the MOSFET outputs a signal of 5V to the processor. The signal is interpreted
as a bulb failure and generates a message which is output on the I Bus to the instrument pack. The instrument pack
displays the applicable bulb failure message in the message centre to provide visual warning to the driver.
Warm monitoring is performed continuously when the lamps are switched on by evaluating the diagnostic output of
the MOSFET switches. Cold monitoring is performed at 32 second intervals when the lamps are switched off. The
MOSFETs briefly switch on the lamps for approximately 1 millisecond (this is insufficient to illuminate the bulb) and
checks the bulb as per warm monitoring.
Cold monitoring is not possible for the dip beam headlamps of vehicles using xenon bulbs. On these vehicles the cold
monitoring of the dip beam headlamps is switched off in the LCM. The LCM detects a failed xenon bulb via a reduction
in current flow to the affected headlamp's xenon control module.
When a xenon bulb fails, the control module's current consumption falls to 60mA, which the LCM detects as
unsuccessful bulb illumination. The xenon control modules have a diagnostic capability and can store fault related

codes.

From the above, as I understand it, the LCM does cold and warm monitoring of all the lightbulbs, switching on the bulbs for 1 millisecond is too short to illuminate a 'normal' bulb, but what about LEDs?

The flickering only occurs when the key is at Position II and is a sequential Off and On of the LEDs at the front. It only lasts for a few seconds when I first turn the key, though I haven't checked to see if I get a flicker after every 32 seconds when the lights are turned off. I will check to see when I get a chance.

I am going to get the connections checked, but have not encountered any problems with the electrics to date.

So, do other Rangie owners with LEDs get a similar 'display' from their lights?

2.0_hippo · Oct 21, 2014

Led does flicker

As above the LCM sends pulses to the lamps to test them, this wouldn't usually be visible but with the low current LED's the flickering is obvious

Discotigger · Oct 21, 2014

2.0_hippo said:
Led does flicker

As above the LCM sends pulses to the lamps to test them, this wouldn't usually be visible but with the low current LED's the flickering is obvious

Cheers for that info, I thought that was the case.
I know there have been a few people who have mentioned the flickering lights issue on other forums...they even were worried that it might be an MOT fail issue and have swapped over the LEDs for ordinary bulbs prior to going for the MOT. However, I had my Rangie MOT'd a couple of weeks ago, with the LEDs installed...and it passed no problems.

Well I tell a porkie there, it had 1 advisory... the rear adult seat belt couldn't be checked due to SWMBO insisting I fit an Isofix Kiddy Seat into the Rangie for taking the niece out when she's with us (even the niece loves the Range Rover!!), and the MOT tester couldn't work out how to remove the seat to test the seat belt...hence the advisory!!

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