secondary water pump again

[stevegti6]

this has done my head right in
my secondary water pump has been fooked from the start of my cupra ownership today i changed the pump for a new one as mine was shot and guess what it still does not work ive checked fuses and everything is fine i get 11 volts all the time at the connections at the pump no matter if the engine is running or not which is not right

COULD SOME ONE PLEASE TELL ME WHAT CONTROLS THIS PUMP AS I THINK THIS IS THE PROBLEM

HELP

 

[goble]

11 volts and the earth??

 

[stevegti6]

yes mate all the time some thing must control this pump but what

 

[goble]

earth on the plug?

 

[stevegti6]

ive tryed that its not an earth problem something that tells that pump to come in and out is fooked but what

 

[goble]

hmm its possible that could be multiplug connector on engine bay harness,coolant temp sensor or the ecu itself.
at work we can carry out final control diagnosis to activate solenoids etc, dont know if this can be done on vag-cam if you have access to it ??

 

[stevegti6]

it has a new coolant temp sensor
what tells the pump to stay on for 10mins after you switch off
the pump had gone tits up when i bought the car
ive tested the old pump and its shot
its stange that the feed to the pump allways has 11volts no matter if the engine is running or not

 

[ibizacupra]

hmm its possible that could be multiplug connector on engine bay harness,coolant temp sensor or the ecu itself.
at work we can carry out final control diagnosis to activate solenoids etc, dont know if this can be done on vag-cam if you have access to it ??

Under engine settings, which block number do you address for this one?
It should be in vag-com also...

I have used it to cycle thru power testing for certain parts, but dont recall water pump being one of them.

 

[messer]

how can you tell if these things are working or not? I just replaced mine as it was leaking but car want over heating or anything like that..

Is it just to keep water circulating around engine after switch off to prevent hot spots?

 

[ibizacupra]

yes. you know its working as you can hear it humm when engine is off

 

[roly]

i think (and don't take this as gospel) the pump is controled by the air con control unit attached to the n/s chassis leg

when i was having probs with mine i checked the wiring diagrams and im sure this control unit had some effect on the pumps operation

 

[stevegti6]

my aircon is fooked beacause the condenser has a whole in it
this cant affect it can it

 

[AaronGS]

Sorry to jump in too, but mine ain't working either. Car isnt overheating most the time but is it actually ok to be driving it?

 

[goble]

on 5051 its just 03 for fcd