Unknown switch

[JonWM]

Hi,

I have a switch next to the rear heater switch near and below right of the steering wheel that i don't know what it is. It looks like the outline of an engine with some vertical wavy lines in the outline.

I thought it might be a 'roasting or basting the engine' switch but what on earth would that mean?

Any clues?

Jon

[mister munkey]

Best left alone.

Its an Engine Warmer switch on the Winter Pack that opens some sort of gubbins to help the engine warm quickly in temps in excess of -20oC

Not needed in this country & without some kind of regular use, tends to stick & makes it run like a large sack of poo.

[missfixit70]

It operates a flap in the exhaust system (under the passenger seat) that closes in so the engine warms up quicker in extreme cold. Has a habit of sticking closed (or being forgotten)& as MM said makes it run like a bag of bones. Doesn't really get cold enough in this country to warrant it. Best disconnecting the plug from the back of the switch IMO, just incase you inadvertantly knock it

[mikexgough]

It operates a flap in the exhaust system (under the passenger seat) that closes in so the engine warms up quicker in extreme cold. Has a habit of sticking closed (or being forgotten)& as MM said makes it run like a bag of bones. Doesn't really get cold enough in this country to warrant it. Best disconnecting the plug from the back of the switch IMO, just incase you inadvertantly knock it

And should you need a change of exhaust at anytime...... take the chance and bin it

[JonWM]

Thanks all.

I must admit before I asked the quiestion I had been playing with it and it seemed to sound like a fan or aircon unit when switched on but went quiet when switched off. Hopefully my fiddling hasn't turned the engines into sacks of poo or bones.
I shall disconnect it.

Jon

[mikeonb4c]

Thanks all.

I must admit before I asked the quiestion I had been playing with it and it seemed to sound like a fan or aircon unit when switched on but went quiet when switched off. Hopefully my fiddling hasn't turned the engines into sacks of poo or bones.
I shall disconnect it.

Jon

That doesn't sound like the winter pack engine warmer thing (at least I've not heard anyone mention a fan type noise with that). If I didn't know better I'd think it was a scavenger fan over-ride switch (v useful if so)

[mister munkey]

Hi,

I have a switch next to the rear heater switch near and below right of the steering wheel that i don't know what it is. It looks like the outline of an engine with some vertical wavy lines in the outline.

Keep up at the back Mike.

[mikeonb4c]

Hi,

I have a switch next to the rear heater switch near and below right of the steering wheel that i don't know what it is. It looks like the outline of an engine with some vertical wavy lines in the outline.

Keep up at the back Mike.

I noticed that alright. But whats the fan like noise though eh? Eh? Eh?

[mister munkey]

Ok. Fair call, I read it as

Thanks all.

I must admit before I asked the quiestion I had been playing with it and it seemed to sound like a fan or aircon unit when switched on but went quiet when switched off. Hopefully my fiddling hasn't turned the engines into sacks of poo or bones.
I shall disconnect it.

Jon

That sound equating to the similar lumpiness you get when the aircon is on.

[jaylee]

Hi,

I have a switch next to the rear heater switch near and below right of the steering wheel that i don't know what it is. It looks like the outline of an engine with some vertical wavy lines in the outline.

Keep up at the back Mike.

I noticed that alright. But whats the fan like noise though eh? Eh? Eh?

That would be the thing that circulates the air to keep yer computer cool Mike... I got one on mine, don't worry i hear fans all the time too!

[Bob]

That would be the thing that circulates the air to keep yer computer cool Mike... I got one on mine, don't worry i hear fans all the time too! [/quote]



That's 'cos you're in a band.

[JonWM]

Steady on fellas

I'll have another play with it tonight and report back on noises and effect etc.

What's a scavenger fan anyway?

Jon

PS still no clues on the clues on the voltages at the fan resistor plug from my previous thread.

[jaylee]

Hi Jon,

Sorry about the back o the class banter..
I believe the scav fans the one angled in front of the engine.. Keeps the engine bay temperature down if it gets too hot.. It's run using a thermostat switch by the handbrake assembly close to the drivers side under the centre console.. I think it tells the ECU in turn to control the fan!
Help me out if i'm wrong guys?!?

Some peeps on here have fitted an override switch to manually control this function (Mikeon being one person i know ) Basicly disconnecting the scav fan sensor from source tricking the ECU into operating the fan.. I think that's the plan..??
When the switch is off, (or technically on) the fan will work in it's normal way, triggered by the sensor.

PS still no clues on the clues on the voltages at the fan resistor plug from my previous thread.

g8dhe could be the man with ideas for the information you seek on this...?

Hope this helps!

[g8dhe]

PS still no clues on the clues on the voltages at the fan resistor plug from my previous thread.

Wiring diagram here, I assume its the mechanical type as the electronic version doesn't have a resistor pack !


Basically with the ignition ON, but the A/C OFF you will see +12V on all the wires, then as you turn the A/C onto one of the 4 positions you will see Zero volts on the relevant pin of the resistor, the common connection of the resistors that feeds the motor will vary in voltage depending on the speed.

The LO speed is also controlled by other switches and the ECU so its possible that it might switch in at other times as well, I guess when the ECU senses some elevated temperatures.

[missfixit70]

Wiring diagram here, I assume its the mechanical type as the electronic version doesn't have a resistor pack !

Are you sure about that Geoff? or are just calling it something different? there is an equivalent box of tricks on the digital climate control model (that seems to cost twice the price if you need a new one) in the same place, described in the fact sheet too http://www.igmaynard.co.uk/bongo/member ... sistor.pdf