Hello I have 3 damaged drivers from LT35 (Bosch MSA 15.5) and I would like to connect them outside the car. Please provide pin description. Will it be like this? +12 - 38, 42 -12 - 1, 24, 46 K - 61 I am asking for information.

For checking 30 and 15, they can of course be combined.

31-1, 24, 39, 46 15-38 30-23, 45, 68 61-yes

Thanks @viper555 Just in the meantime I found relay J317. Can I connect 38, 23, 45, 68 to +12 together or do I need to use a relay as in the installation? One more question. I have damaged some pins in them (oxidized and fell off). Is it a big problem to replace them individually from another controller?

In the meantime, more damaged ones arrived. After connecting, it turned out that after K only one from SDI corresponds, the others from TDI do not. I desoldered all EE (24C02) and only this one can be read from SDI. Does anyone have the original input for one of these drivers? 074906021AK 074906021AG 074906021P 074906021J 074906021AM 074906021AN The one I read is 074906021Q. If anyone needs it, I will of course share it.

Bosch MSA 15.5 VW LT35 ECU Pinout for Bench Testing and Power Connections

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#1 10035870 17 Oct 2011 10:11

wacek wacek

Level 13

» |

Post #1
10035870 17 Oct 2011 10:11

Hello
I have 3 damaged drivers from LT35 (Bosch MSA 15.5) and I would like to connect them outside the car. Please provide pin description.

Will it be like this?

+12 - 38, 42
-12 - 1, 24, 46
K - 61

I am asking for information.
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#2 10047316 20 Oct 2011 18:06

viper555 viper555

Level 39

» | Helpful post? (+5)

Post #2
10047316 20 Oct 2011 18:06

31-1, 24, 39, 46
15-38
30-23, 45, 68
61-yes
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#3 10047855 20 Oct 2011 20:05

wacek wacek

Level 13

» | Topic author Helpful post? (+1)

Post #3
10047855 20 Oct 2011 20:05

Thanks @viper555
Just in the meantime I found relay J317.
Can I connect 38, 23, 45, 68 to +12 together or do I need to use a relay as in the installation?

One more question.
I have damaged some pins in them (oxidized and fell off). Is it a big problem to replace them individually from another controller?
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Helpful post

#4 10047897 20 Oct 2011 20:14

viper555 viper555

Level 39

» | Helpful post? (+1)

Helpful post
Post #4
10047897 20 Oct 2011 20:14

For checking 30 and 15, they can of course be combined.
#5 10069689 26 Oct 2011 22:21

wacek wacek

Level 13

» | Topic author Helpful post? (+1)

Post #5
10069689 26 Oct 2011 22:21

In the meantime, more damaged ones arrived.
After connecting, it turned out that after K only one from SDI corresponds, the others from TDI do not. I desoldered all EE (24C02) and only this one can be read from SDI.
Does anyone have the original input for one of these drivers?
074906021AK
074906021AG
074906021P
074906021J
074906021AM
074906021AN

The one I read is 074906021Q.
If anyone needs it, I will of course share it.
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