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Soft top ECU?

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  #1 (permalink)  
Old 04 Apr 2014, 08:00 pm
Fresh Cruiser
Join Date: Mar 2014
Posts: 4
Smile Soft top ECU?

Hi, my 1996 convertible top does not operate. Fault is low voltage at ECU according to auto-electrician. I have hot wired the motor & it works. The relay is good & the windows activate as they should when top down switch is pressed.
Electrician does not have wiring diagram & no one seems to know where the top ECU is located.
I am reluctant to take it to my dealer as they have not had a car with a top fault before.
Anyone any ideas?
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Old 04 Apr 2014, 08:49 pm
Cool Cruiser
Join Date: Sep 2013
Posts: 466
Default Re: Soft top ECU?


If 2006 to reset:
discounnect the battery with both doors open wait 10 mins
Original join date: SEP 2003
Steve/ Wayne NJ
2005 GT Vert / Black / 5 speed
2004 Dream Cruiser / 5 speed Traded for 12 Veloster
2003 GT / Blue / Auto /sold
2001 Touring/ Silver / 5 speed /sold on E Bay
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  #3 (permalink)  
Old 05 Apr 2014, 08:52 pm
Fresh Cruiser
Join Date: Mar 2014
Posts: 4
Default Re: Soft top ECU?

Thankyou for the reply but already tried that, made no difference.
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  #4 (permalink)  
Old 07 Apr 2014, 09:57 pm
Fresh Cruiser
Join Date: Mar 2014
Posts: 4
Default Re: Soft top ECU?

Has anyone any idea where can i locate a wiring diagram that shows where the soft top ECU is located? Thanks
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Old 08 Apr 2014, 07:26 pm
Regular Cruiser
Join Date: Oct 2007
Location: Danville, PA
Posts: 121
Default Re: Soft top ECU?

06 and up appear to be different from 05 to an extent because of canbus system. On both, the relays are back with the motor and are fed by a 40 amp fuse. Also on both, the ECU appears to be part of the smart window module in the driver side door. There is a module in the passenger door as well, but I believe it is only for control of the passenger window. On an 06, the power to the system comes from a 20 amp circuit breaker related to the TIPM module which feeds the two red wires that go to the driver side door smart window module. It's more complicated on an 06, but there is a more involved diagnostic procedure so long as you have the dealer scan tool.
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