Alarm Interior Sensors

ianfletcher · 25th June 2009, 12:54

Has anyone got a picture of or could tell me what the interior sensor looks like as i would like to know if i have them fitted. There is a plastic thing with what looks like vents in it attached to the roof lining in the centre of the car. Is this it and if not what is it?

courier118 · 25th June 2009, 13:17

If i remember correctly,the vents in the front interior lights are not alarm sensors,they were where microphones for an optional in car telephone system were to be located.This option was never marketed i dont think.The sensors for the alarm were fitted either in the centre of the headlining by the rear interior light or on the drivers side door pillar............they were usually pyramid shaped

JohnDotCom · 25th June 2009, 13:45

There are two types,
The earlier one is above the Seatbelt housing columns at tops of.
The newer one is a Box in centre of Roof or just behind the Sunroof if fitted.

The slots in Lamp cluster at front are as stated the microphone for the Sat Nav Navigation subscribed system (SmartNav).

Duotone · 25th June 2009, 17:21

Quote:

Originally Posted by ianfletcher1979

Has anyone got a picture of or could tell me what the interior sensor looks like as i would like to know if i have them fitted. There is a plastic thing with what looks like vents in it attached to the roof lining in the centre of the car. Is this it and if not what is it?

Here you go..

This is the Volumetric alarm,, Optional extra on Rover 75 but standard on 75 V8.

Dave T

Departed · 25th June 2009, 17:39

Quote:

Originally Posted by JohnDotCom

There are two types,
The earlier one is above the Seatbelt housing columns at tops of.
The newer one is a Box in centre of Roof or just behind the Sunroof if fitted.

The slots in Lamp cluster at front are as stated the microphone for the Sat Nav Navigation subscribed system (SmartNav).

As an earlier poster said, they were designed for the integrated phone system that never went on sale, and then were used for the Smartnav later.

Also as said above there are two types. The one shown above is the later type. The earlier ones look like this:

http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=370212896628

They are not as listed 'audible warning speakers' but the ultrasonic sensor.

I'm pretty sure they were the same across every model, and for 3 squids I'm going to find out.

ianfletcher · 25th June 2009, 19:00

Quote:

Originally Posted by Duotone

Here you go..

This is the Volumetric alarm,, Optional extra on Rover 75 but standard on 75 V8.

Dave T

This is the one fitted in mine. I thought it was the sensor

Duotone · 25th June 2009, 20:03

Quote:

Originally Posted by ianfletcher1979

This is the one fitted in mine. I thought it was the sensor

Sorry, my text under the picture should have read..

Sensor for the Volumetric alarm.

This sensor triggers the alarm by changes of the air pressure [movement] in the cabin.

Dave T

25th June 2009, 12:54	#1
ianfletcher I really should get out more....... BMW 1 series Join Date: Oct 2008 Location: Bolton Posts: 2,094 Thanks: 12 Thanked 40 Times in 36 Posts	Alarm Interior Sensors Has anyone got a picture of or could tell me what the interior sensor looks like as i would like to know if i have them fitted. There is a plastic thing with what looks like vents in it attached to the roof lining in the centre of the car. Is this it and if not what is it?

25th June 2009, 13:17	#2
courier118 Loves to post MG ZT 190+ Join Date: Nov 2006 Location: Newcastle under Lyme Posts: 305 Thanks: 0 Thanked 0 Times in 0 Posts	If i remember correctly,the vents in the front interior lights are not alarm sensors,they were where microphones for an optional in car telephone system were to be located.This option was never marketed i dont think.The sensors for the alarm were fitted either in the centre of the headlining by the rear interior light or on the drivers side door pillar............they were usually pyramid shaped Last edited by courier118; 25th June 2009 at 13:18.. Reason: Missed info

25th June 2009, 13:45	#3
JohnDotCom * Rover 75 FaceLift Tourer CDTi 170BHP Auto ConnSE 2005 Model Starlight Silver Join Date: Nov 2006 Location: Abergele Posts: 28,735 Thanks: 0 Thanked 6 Times in 5 Posts	There are two types, The earlier one is above the Seatbelt housing columns at tops of. The newer one is a Box in centre of Roof or just behind the Sunroof if fitted. The slots in Lamp cluster at front are as stated the microphone for the Sat Nav Navigation subscribed system (SmartNav).