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2002 Combo/Corsa C - Y17DTL - No Indicators! - FIXED AT LAST

Posted By TLDmobilerepair Friday, January 08, 2010 9:13:47 AM
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TLDmobilerepair
 Posted Friday, January 08, 2010 9:13:47 AM
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You can hear the indicator unit relay flashing in the relay box below the scuttle panel next to the battery but neither the right or left indicators work. The customer some how shorted out the drivers side front indicator and since this has happened. The fault code stored in the body module is

B3795 - Signal light feedback circuit open or voltage too small.

Anyone come across this before? All fuses in the main fuse box have been checked and are fine, could this be a faulty indicator relay?

Thanks!

Tuesday, January 12, 2010 10:13:03 AM by TLDmobilerepair
TLDmobilerepair
 Posted Friday, January 08, 2010 12:17:19 PM
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The indicator relay next to the BCM has now been replaced and the fault is still present. I've checked the body module with the Launch and it can see signal from indicator arm being moved left and right.

Looking at live data the turn signal input with the indicators off is 1.10v when the indicators are put on it drops down to 0.69v. I'm thinking now that the BCM may have been damaged as it seems to be seeing all the right signals from the stalk etc but non of the indicators/hazard warning lights work.

Anyone have any ideas other than this?

Friday, January 08, 2010 12:36:27 PM by TLDmobilerepair
Chris Venning
 Posted Friday, January 08, 2010 12:36:42 PM
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Be sure that the flasher unit is located correctly, it is possible/easy to fit the unit incorrectly so that in effect it is not plugged in.

I could give up Stella, but I'm no quitter. Beer Drinker 
TLDmobilerepair
 Posted Friday, January 08, 2010 12:40:34 PM
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Chris Venning (08/01/2010)
Be sure that the flasher unit is located correctly, it is possible/easy to fit the unit incorrectly so that in effect it is not plugged in.

Hi mate, thanks for the reply. It is fitted correctly. You can hear/feel the relay clicking on and off when the indicator stalk is pressed. The dash lights flash as if a bulb was out but the flasher unit itself it functioning. It's the lack of indicator externally as if the BCM has stopped them from functioning

Thanks

Friday, January 08, 2010 12:41:18 PM by TLDmobilerepair
topbloke
 Posted Friday, January 08, 2010 1:04:38 PM
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it may be worth a powerdown ie battery off for a few mins then power back up dont know if launch is able to do this but do a reset of the bcm and then reprogram the bcm you wont have to change any settings it just may cure the fault you will have nothing to lose and everything to gain you would have to reset and program the new bcm anyway Regards TB
K And R
 Posted Friday, January 08, 2010 1:18:01 PM
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Hi Chris

Good Advise but ignored by TLD as he knows it,s fitted correctly w00t If only he knew it is possible to fit it one line of terminals out AND it STILL clicks Tongue

Kev.

"If you dont KNOW how it works, don,t try to test or fix it"

TLDmobilerepair
 Posted Friday, January 08, 2010 1:20:34 PM
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K And R (08/01/2010)
Hi Chris

Good Advise but ignored by TLD as he knows it,s fitted correctly w00t If only he knew it is possible to fit it one line of terminals out AND it STILL clicks Tongue

Kev.

I have removed it and refitted it mate, I can see what you mean and I've tried it in both ways

Friday, January 08, 2010 1:23:12 PM by TLDmobilerepair
TLDmobilerepair
 Posted Friday, January 08, 2010 1:22:53 PM
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topbloke (08/01/2010)
it may be worth a powerdown ie battery off for a few mins then power back up dont know if launch is able to do this but do a reset of the bcm and then reprogram the bcm you wont have to change any settings it just may cure the fault you will have nothing to lose and everything to gain you would have to reset and program the new bcm anyway Regards TB

I have tried the battery off for 20 mins and it didnt make a difference, the Launch will reset the fault but as soon as you put the indicator back on it pops back up. I need the security code before I can access the programming function on the BCM. The customer doesn't have the card with this information on so I'd probably have to get it from Vauxhall.

Thanks mate

K And R
 Posted Friday, January 08, 2010 1:41:37 PM
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TLD

Can you see that it fits EXACTLY in the yellow box painted around the correct termianls on the top of the fuse box Wink I don,t think you can UNLESS you remove the row of (grey ? ) relays that fit in front of the Yellow relay and Yellow painted box.

Kev.

"If you dont KNOW how it works, don,t try to test or fix it"

TLDmobilerepair
 Posted Friday, January 08, 2010 1:56:47 PM
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K And R (08/01/2010)
TLD

Can you see that it fits EXACTLY in the yellow box painted around the correct termianls on the top of the fuse box Wink I don,t think you can UNLESS you remove the row of (grey ? ) relays that fit in front of the Yellow relay and Yellow painted box.

Kev.

Mate, it is fitted correctly. I'm 110% sure of it.  Here we are, photos to show just for you!

http://i21.photobucket.com/albums/b297/puntoturbo/Picasso2006.jpg

http://i21.photobucket.com/albums/b297/puntoturbo/Picasso2008.jpg

http://i21.photobucket.com/albums/b297/puntoturbo/Picasso2011.jpg

 


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