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[Stallion]

Just out of curiousity thought il put the tomtom on the rear lighter slot to find out it dont work, but the front one does which is wierd? Are they both connected fuse wise or seperate!! (makes you wonder how long it hasnt been working for!

Just parked the car the sensors were working beeping etc, come to move the car now get a continous beeep tone, checked the rear fuse in the boot inside the tyre well, seems all fine??? Any ideas please?

[fiend61]

now get a continous beeep tone

any muck or salt etc on the sensors themselves or what mine done when i hit a bird (feathered) was pushed it in slightly so the sensor was half covered by bumper 

as for the rear cig lighter i dont know whether seperate fuses but easy enough to take apart armrest console and check for voltage 

[Auto Addict]

Just out of curiousity thought il put the tomtom on the rear lighter slot to find out it dont work, but the front one does which is wierd? Are they both connected fuse wise or seperate!! (makes you wonder how long it hasnt been working for!

Just parked the car the sensors were working beeping etc, come to move the car now get a continous beeep tone, checked the rear fuse in the boot inside the tyre well, seems all fine??? Any ideas please?

Check the relay.

[Stallion]

Will check the sensors now, as for the relay where is it located, and how can you tell a faulty relay?

[Stallion]

Checked the sensors, also gave them a wipe nothing seems wrong or mis-aligned sensors! The funny thing is it was working one minute and not the next, didnt hit nothing etc.

[RobG]

Checked the sensors, also gave them a wipe nothing seems wrong or mis-aligned sensors! The funny thing is it was working one minute and not the next, didnt hit nothing etc.

To check, ignition on, engage reverse, ear to each sensor in turn and listen for "ticking" noise, or gently place finger on each sensor to "feel" the ticking/vibration. If all 4 "tick", you`ve got a wiring fault

[RobG]

Just out of curiousity thought il put the tomtom on the rear lighter slot to find out it dont work, but the front one does which is wierd? Are they both connected fuse wise or seperate!! (makes you wonder how long it hasnt been working for!

Just parked the car the sensors were working beeping etc, come to move the car now get a continous beeep tone, checked the rear fuse in the boot inside the tyre well, seems all fine??? Any ideas please?

Fuse #27

[Stallion]

Yep theyre ticking vibrating alright, all 4 infact? But randomly what couldve happened to the wiring! btw late thanks Rob for the advice on transporting the doors 

[Stallion]

No. 27 fuse was blown  most prob didnt check that as it said for automatic level system? So half fixed another half to do! 

[Stallion]

Took the main park pilot unit out, checked and double checked connections etc, all seems fine! Just wondering is there another fuse somewhere? Apart from the blue bosch one which is on the rear along with the wires.. 

[Entwood]

In the parking sensor "circuit" there is a test component, usually on the left side of the boot behind the rear cover .. it looks just like a blade fuse but is actually a circuit board of some description ...  if you remove this "fuse" like component and then switch the ignition on and select reverse the system will give a series of tones to indicate where it "thinks" the fault is ...

There is some info here ...

http://www.omegaowners.com/forum/YaBB.pl?num=1289864941

and some more

http://www.omegaowners.com/forum/YaBB.pl?num=1279621948

These are on the old site but a read through tells you about the test procedure ..

HTH

[Stallion]

Thanks Entwood for the info.
For the time being taken of the PP unit instead of just disconnectig the audio output! Will leave it off couple days, and at the same time clip of the sensors individually and look for excessive dirt or moisture. Will keep you posted if any answers found!!

[pscocoa]

mine just suddenly gave continous tone one day over 2 years ago and has been disconnected since - one of the 2 wiring looms is believed to be problem - evg else checked as working

[Stallion]

mine just suddenly gave continous tone one day over 2 years ago and has been disconnected since - one of the 2 wiring looms is believed to be problem - evg else checked as working

So didnt it bother you that you've got a feature, but why aint it working? An yep like i said out the blue got the tone!!
BTW - noticed your avatar, that is a VERY GOOD replacement option!! 

[Stallion]

It doesnt help the fact bosch no longer do them, but one way or another would want to get it done, otherwise regret making the holes on a irmscher bumper and having them filled with something useless!