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-   -   Parking sensor issue (https://www.the75andztclub.co.uk/forum/showthread.php?t=296743)

Craigc 19th June 2019 17:29

Parking sensor issue
 
Good evening I have read through all threads with issues with parking sensors, I have the dreaded long beep when out into reverse and then nothing.

All sensors are ticking when I put ear to them, reverse lights are on and working no sign of corrosion on connectors fine so what else could it be?

trikey 19th June 2019 19:11

Could be a break in the loom somewhere.

m2n 19th June 2019 19:41

Mine is the opposite, think I got a short somewhere as I get a constant tone, but then can go days with it working ok....:duh:

Craigc 19th June 2019 19:49

Great thanks will do a continuity and resistance on each wire from parking Ecu to each sensor, any advise on the other side from parking ecu loom from boot to engine side where to take readings from?

Mike Noc 19th June 2019 19:49

Quote:

Originally Posted by m2n (Post 2741892)
Mine is the opposite, think I got a short somewhere as I get a constant tone, but then can go days with it working ok....:duh:




Check the surfaces of the sensors. Any corrosion or muck on them and you will get a constant beep.

Had it on mine and after rubbing down and repainting the sensors all was well.:}












.

trikey 19th June 2019 21:28

Quote:

Originally Posted by Craigc (Post 2741896)
Great thanks will do a continuity and resistance on each wire from parking Ecu to each sensor, any advise on the other side from parking ecu loom from boot to engine side where to take readings from?



Concentrate on the loom behind the bumper, I’ve never had an issue from the ecu to the front of the car.

Craigc 19th June 2019 21:37

Thanks for the advise will have another go tomorrow

smudge.g 20th June 2019 05:31

If you need a replacement rear loom, i have a spare taken from a Tourer I believe, that i bought for my car but the one from my recent donor vehicle was in slightly better condition. Can post to you for just cost of postage if it helps you! :)


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