parking sensors

[NS01]

hi everyone

couldn`t find same problem here before ;(

parking system giving buuu signal for 10sec.after starting a car and system is not working. wiring is ok (checked with tester).

i notice that button light is not working

what could be the problem?

parking system: cobra pz464-00425-02 front and rear 

thanks

[Konrad C]

I Googled " cobra pz464-00425-02 front and rear" and found following among the results:- 

http://www.toyota-tech.eu/aimuploads/{5E97020E-B23F-C10C-C792-E01756DEB23F}/TPA800 trouble shooting guide ATM000 008-0.pdf

http://www.lexusownersclub.co.uk/forum/topic/108249-start-up-warnings/?page=2

I hope the above info helps. 

[NS01]

i have seen that trouble shooting guide, on page 5 is my problem, but in my case after turning on light never came on and getting buu..p signal. wires are ok. i gess ecu is dead :(