I don't know what it does but its an ECU (electronic control unit) mounted in the airflow out of the fan cowl. I don't know why it runs on but it does.

'In the airflow' tells me its got somepower going through it so it may be something to do with the Diesel fuelling - has anybody reported it on a 3.2 I6?

I'll see what I can find out. Gone... 2013 XS TD4 Manual Firenze Red
Gone... 2008 (09MY) XS Td4 Manual Stornaway Grey
Prior... 2003 G4 Discovery 2, 1998 Disco 1 and 1997 Disco 1 Company car before that
Also gone in Nov'13, after 7.5 yrs, to new owners with time for more TLC - 1980 Series III 88
Current 2015 Discovery Sport HSE 2.0

Are you saying that Snappa lied to us about the hamsters I thought we could trust him  At work
At home

"I can't always believe facts I read on the web" - Charles Dickens

winner by default of the tractor vs caravan race

My 09MY Si6 HSE makes the same sound.

Last edited by Furyan on 28th Jan 2009 7:14 am. Edited 1 time in total

aha, at last one big step forward to the solution of this mystery...

the noise is normally something concerned with cooling the Turbo components - either by airflow or the oil.........

The other week when cleaning my car, I had the bonnet open and engine running, turned the car off and went to the front of the car, hearing the buzz i located it

It came from a small unit that is positioned at the top of the cooling fan with a wire running to it. It buzzed and then a small click when it stops buzzing

case solved by Inspector NP  Former Mod/Member, with the most post & Chicken George Arch nemesis

Can't you work open that unit to see what's inside npinks ?

Getting it open YES, getting it back together NO

I sumise due to a wire going into the box, it will be all electronicy inside, and there ends my knowledge  Former Mod/Member, with the most post & Chicken George Arch nemesis

so case not solved by inspector pink

does the buzzing stop when the box is hit with a lump hammer? At work
At home

"I can't always believe facts I read on the web" - Charles Dickens

winner by default of the tractor vs caravan race

Last edited by chicken george on 28th Jan 2009 10:41 am. Edited 1 time in total

don't get upset npinks, I was just teasing.

I have wondered what would happen if the wire was unplugged though Former Mod/Member, with the most post & Chicken George Arch nemesis

@CG : nice new avatar you have George.

Based on one of your chickens ? Or is it an update of your self-portrait after you've eaten one of those ?

Paul wrote:

@CG : nice new avatar you have George.

Based on one of your chickens ? Or is it an update of your self-portrait after you've eaten one of those ?

He's got man flu  ______________________
2011 Full Fat RR 4.4 TDV8
2012 FL2 SD4 Auto HSE
2013 Kawasaki Versys 650

same with mine, I always though it was the alarm arming itself.......or something technical/electronic like that. The dealer had no suggestions, went along with my theories

When I was on holiday the car wouldn’t start, flat battery, so I called Land Rover Assist. Problem was due to audio system not shutting down, software update and it was sorted (no problems since with a flat battery).

When the battery was charged the technician / mechanic tested the power drain on the battery during shutdown. It took almost 8 minutes after locking the car until the electrical system shut down to only a miniscule drain (probably the red LED on the dash flashing). You could see the voltage drain dropping in increments as each system shut down. He told me that this is normal and in some models such as the RRS it can take over 20 minutes for the system to shut down.