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Old 15th October 2012, 19:47   #1
Robster Cymru
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Unhappy MG ZT Rear parking sensors no sound ! ! !

Hi,

Hope someone can help me here and in time help someone else as well maybe?

Problem - Rear parking sensor does not make a sound at all (I've looked at numerous posts to try and find the cure).

So far I've
1) Checked the reversing lights - WORKING
2) Listened to the individual sensors for clicking sound - ALL WORKING, or at lest clicking
3) Had a look for the sounder under the parcel shelf (removed trim and looked to left hand of near side seat belt reel), can't find anything

The car is a 53 2003 car (registered dec), has a BLACK control box for the sensors located below the auto changer in the offside of the boot.

Any ideas please, thanks
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Last edited by Robster Cymru; 15th October 2012 at 20:08..
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Old 15th October 2012, 22:01   #2
zedziczek
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I used to have problems with the sensors when water from one of backlight clips were dripped on the cables and traveled to ecu, worth check
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Old 15th October 2012, 23:53   #3
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Might be the parking sensor ecu I had one that did exactly the same swapped it and hey presto sound again, this one doesn't like it if you try to reverse before you go forward, what can I say my car has got character!
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Old 21st October 2012, 14:07   #4
Robster Cymru
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thank you...have checked for water damage and all looks ok. Looking for a bargain replacement ECU on ebay now. Will update once to hand.
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Old 21st October 2012, 14:27   #5
Nige B
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send trikey a pm hes probably got one,,
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Old 21st October 2012, 14:55   #6
vitesse-chris
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Quote:
Originally Posted by Robster Cymru View Post
thank you...have checked for water damage and all looks ok. Looking for a bargain replacement ECU on ebay now. Will update once to hand.
I have one sitting here, but depends where your sounder is? As mine is in the IPK, the car it come off was in the rear shelf...
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Old 22nd October 2012, 23:39   #7
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Isn't the sounder in the lighting switch module?
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Old 23rd October 2012, 17:25   #8
Robster Cymru
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Quote:
Isn't the sounder in the lighting switch module?
I'm assuming that as I have the Black parking ECU then I should have the speaker under the parcel shelf somewhere ? but not sure, maybe someone can confirm.
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Old 23rd October 2012, 17:40   #9
Parsley
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Hi,
just having a browse through the forum when I saw this one about parking sensors My problem is just the opposite !!!! When I go in reverse I get a long continuous sound then nothing , any ideas ???
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Old 23rd October 2012, 18:32   #10
rover54
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Quote:
Originally Posted by Parsley View Post
Hi,
just having a browse through the forum when I saw this one about parking sensors My problem is just the opposite !!!! When I go in reverse I get a long continuous sound then nothing , any ideas ???
Dirty/corroded contacts in wiring behind the rear bumper. There is also a splice in the wiring loom behind the bumper that could fail.
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