R

ru55turn3r

New Member
Hi, Im sorry if this is a common fault, I have been digging and can't find anything - may well be looking in the wrong place!

It would seem I have a battery drain issue! I should mention the car has coil suspension rather than eas, although the majority of the eas system is still in situ. I've not checked my battery with a multimeter yet - job for tomorrow and i've not tried the receiver yet either...

However, when i leave the vehicle, locked and secure, no message centre messages, i can hear what sounds like a small motor or pump continually running under the drivers side rear door and seemingly directly on top of the eas reservoir. in fact it doesn't seem to stop, i can hear it all the time, at the same pitch, no matter what the rest of the car does!

I assume (could be a bad idea!) this is the cause of my battery drain, any help with what it might be would be very appreciated!
 
Transfer hi-low motor not hitting the stop switch, easy to unplug for confirmation, just a qualified guess.
 
The EAS reservoir is under the front passanger door...IIRC!!!

Is it a Diesel or Petrol, 4.0 or 4.6 ....Which year??

Some models are fitted with an EVAP system to ventilate the tank and return any evapourated fuel vapour etc etc....This system uses a small vacuum pump....but not sure if it would be fitted as it was only fitted to certain markets.

Possible fuel pump running....but strange it still runs with ignition off unless a relay is stuck....
 
Druim said:
Transfer hi-low motor not hitting the stop switch, easy to unplug for confirmation, just a qualified guess.
Click to expand...
oooh....good call didn't think of that one....

It is located on the Gearbox Transfer Case....

Why would it be running with ignition off though??
 
ru55turn3r said:
its 1998 DSE, i am sorry, saw the eas reservoir on google and it looks like the tank that i was looking at!
Click to expand...
OOPS...my bad...I think it is under the drivers side...Just checked RAVE.....gonna look at mine in the morning.....

Maybe it was on the passanger side on the Classic which is why I am getting confused....sorry, I think you were right....:eek::eek::eek:
 
Maybe fuel pump running. Take a look at relay 12, make sure it is not stuck shut. If you can hear motor running and you remove fuse 39 and it stops, that is the cause. Can't be transfer motor that turns clockwise to engage and counter clockwise to disengage.
 
Last edited:
Saint.V8 said:
oooh....good call didn't think of that one....

It is located on the Gearbox Transfer Case....

Why would it be running with ignition off though??
Click to expand...

Mine did before i fixed the transfer ecu, did stay quiet by unplugging/reconnecting and location obvious when looking underneath, big square plug to a wee motor. Think that was the cause to battery kill.

So it could be the switches in the motor and/or the ecu as in my case, i did a tread about the fix.
If you are lucky it could just be dirt/bad connection in connector plugs.
 
Druim said:
Mine did before i fixed the transfer ecu, did stay quiet by unplugging/reconnecting and location obvious when looking underneath, big square plug to a wee motor. Think that was the cause to battery kill.

So it could be the switches in the motor and/or the ecu as in my case, i did a tread about the fix.
If you are lucky it could just be dirt/bad connection in connector plugs.
Click to expand...


Don't see how that could happen unless the ECU was constantly reversing it. Motor runs in one direction to engage then stops. Runs in opposite direction to disengage then stops. It has four switches all of which must be in a certain sequence on or off to signal the ECU the position of the selector shaft. It cannot constanly continue to run in one direction it will just stall and burn out. If the ECU failed then maybe it was constanly running it in and out of low gear.
 
wammers said:
Don't see how that could happen unless the ECU was constantly reversing it. Motor runs in one direction to engage then stops. Runs in opposite direction to disengage then stops. It has four switches all of which must be in a certain sequence on or off to signal the ECU the position of the selector shaft. It cannot constanly continue to run in one direction it will just stall and burn out. If the ECU failed then maybe it was constanly running it in and out of low gear.
Click to expand...

Mine buzzed before the ecu fix, No messages but couldn't select anything but high, the message select neutral came up sometimes, think that was when i tried the Low range there didn't work.
Disconnecting/Reconnecting the motor/plug and buzz stopped until next time select neutral had shown. Noticed the buzz on quiet mornings when the Range had "rested" all night, a quick unplug/replug and no buzz if left in High.
My transfer ecu turned out to cause all the trouble and everything has worked since the fix and no more buzz.
Link to my ecu fix: http://www.landyzone.co.uk/lz/f10/g-b-no-low-range-ecu-hi-lo-motor-173464.html
 
just to confirm the noise is the fuel pump, scarily! but upon swapping relay with another, it just keeps running!! any ideas??? please
 
Well something is feeding power to pin 5 of pump relay socket that's for sure. If you pull the relay and it stops. Put it back and it starts. Maybe faulty glow relay, that is the only thing linked direct to battery, that can pull it in, everthing else that pulls it in is switched off with ignition. It is usually switched by the ECM when ignition relay is activated. It may have acquired a mind of it's own. Something is pulling the relay down. Maybe fuse box as Data says time to strip it out and take a look.
 
forgive me but what is a glow relay? and what's the normal routine for the fusebox?

sorry to be a pain and thanks for all the help!
 
The glow plug relay/timer is inside the ECU box behind the battery. The fuel pump is powered in three ways. When the glow plugs are operating, when the engine is cranked or when the engine is running, power then comes direct from the alternator. The only thing that has a perminent connection to the battery is the glow plug relay. It is switched on by the engine ECM when the ignition is switched on to power the glow plugs, and run the fuel pump to prime the injector pump. That is the only thing with a perminent live that could pull the pump relay in with ignition off, so maybe the culprit.
 
:mad: those fuse boxes are a pain i have had to replace 2 in the last 6 mts. pump relay is being pulled in for some reason. i dont think this will help "but" . inside the drivers door where the fuel cutoff switch is located there are wiring plugs in there that have a habit if getting wet and your tank pump is powered through there but i dont think its your problem because if they get very wet they will blow the fuse, but anything is possible
 
ru55turn3r said:
just to confirm the noise is the fuel pump, scarily! but upon swapping relay with another, it just keeps running!! any ideas??? please
Click to expand...

If you had bothered to read the responses to the same post you made on another forum,you would have seen the consenus was the fuel pump from the beginning:doh::doh::doh:
 
If your going to use a different forum try using a different account name. Maybe your pets name plus your date of birth. Foolproof.
 
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