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Drowned Niva - engine doesn't want to start

Niva 4x4 / Нивовод нивоводу — брат / World Wide Niva
MrRav3N

Reg.: 8/8/2017
Topics / Posts: 1 / 4
From: Poland
Car: Niva 21214 | 1.7MPi 2008

8/8/2017, 12:08 PM +03
Hello and welcome, since this is my first post on this forum!

I drowned my Niva couple of days ago and i can't start the engine [:(]

What's happening now?
1. Starter works for 2-3 seconds then stops
2. There's no spark

What broke? Immo, ecu or both? Or maybe something else? I've heard that when you try to start the engine couple of times with broken immo, computer gets locked and there's no way to unlock/repair it. Is it true?



Thank you
Glu777

Name: Виктор
Reg.: 9/25/2008
Topics / Posts: 7 / 995
From: Москва
Age: 49
Car: 1.Шнива-Глумобиль, мосты вояки+бортовые от МТЗ-320, Боггер 37" 2. ШН турбо 2012, 200л.с.

8/8/2017, 12:55 PM +03
MrRav3N
Hi, immobilazer. Is it active? Does "check engine" lamp goes on with ignition on? What is immo lamp doing when ignition on?

Техцентр "Нива777" - умеем почти все!
http://www.niva777.ru
Записаться на ремонт: 8 (495) 725-7876 ЮГ, 8 (495) 725-7899 ВОСТОК
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ВНИМАНИЕ!!! Запись на ремонт я не веду, и по ценам подсказать не смогу.
MrRav3N

Reg.: 8/8/2017
Topics / Posts: 1 / 4
From: Poland
Car: Niva 21214 | 1.7MPi 2008

8/8/2017, 3:15 PM +03
Glu777:
Hi, immobilazer. Is it active? Does "check engine" lamp goes on with ignition on? What is immo lamp doing when ignition on?
1. I seems that it's active

2. Check engine lamp goes on with ignition on
3. Immo lamp is flashing with ignition on


Those background noises are from other cars in the workshop, sorry.
Glu777

Name: Виктор
Reg.: 9/25/2008
Topics / Posts: 7 / 995
From: Москва
Age: 49
Car: 1.Шнива-Глумобиль, мосты вояки+бортовые от МТЗ-320, Боггер 37" 2. ШН турбо 2012, 200л.с.

8/8/2017, 10:49 PM +03
MrRav3N
Symptoms like immo problem. You didn't answered about @check engine lamp". Does it go on with ignition?

Immo lamp must go off after chip touch.

Техцентр "Нива777" - умеем почти все!
http://www.niva777.ru
Записаться на ремонт: 8 (495) 725-7876 ЮГ, 8 (495) 725-7899 ВОСТОК
Жаловаться, консультации по тюнингу: +7 (968) 394-8739 Виктор (Glu)Глуздовский, руководитель.

ВНИМАНИЕ!!! Запись на ремонт я не веду, и по ценам подсказать не смогу.
MrRav3N

Reg.: 8/8/2017
Topics / Posts: 1 / 4
From: Poland
Car: Niva 21214 | 1.7MPi 2008

8/8/2017, 11:35 PM +03
Glu777:
You didn't answered about @check engine lamp". Does it go on with ignition?

Immo lamp must go off after chip touch.
I did Glu - in point 2 ;) It goes on with the ignition.
Is there some magic way to bypass the immo without disabling it in the computer? What should i do?

Thank you very much.
Glu777

Name: Виктор
Reg.: 9/25/2008
Topics / Posts: 7 / 995
From: Москва
Age: 49
Car: 1.Шнива-Глумобиль, мосты вояки+бортовые от МТЗ-320, Боггер 37" 2. ШН турбо 2012, 200л.с.

8/9/2017, 1:09 AM +03
MrRav3N
Yes, there is!))) You have to desactivate immo. To do this, you have to find "noimmo" ecu in your region, or desactivate it by repro. Activation immo is a flag in special part of ecu memory, called "flash". To desactivate, you must write clear flash dump.

I have no idea, how to help you. May be you can send your ecu to me by international trucks via your friends. Or send it to me by ems russia.
8/9/2017, 1:15 AM +03
Your ecu is bosch 7.9.7. Only repro can dedactivate immo. If it 7.0 you could just resolder some chip inside ecu with 1euro price)

Техцентр "Нива777" - умеем почти все!
http://www.niva777.ru
Записаться на ремонт: 8 (495) 725-7876 ЮГ, 8 (495) 725-7899 ВОСТОК
Жаловаться, консультации по тюнингу: +7 (968) 394-8739 Виктор (Glu)Глуздовский, руководитель.

ВНИМАНИЕ!!! Запись на ремонт я не веду, и по ценам подсказать не смогу.
MrRav3N

Reg.: 8/8/2017
Topics / Posts: 1 / 4
From: Poland
Car: Niva 21214 | 1.7MPi 2008

8/14/2017, 5:28 PM +03
I've found a guy who disabled immo in the ecu.

1. Fuel pomp finally works after turning the key into ignition
2. Starter doesn't stop until key is turned
3. Still no spark, engine doesn't start [:(]

4. My cheap diagnostic interface couldn't find the ecu with immo unplugged. After plugging the immo it worked (and works fine now, even with immo unplugged [:think])
5. Could information about the ecu be stored again in immo after point 4?
6. One fault code keeps returning to 'awaiting fault codes' - crankshaft position sensor. I've replaced it with a new one but nothing changed. Where are those two wires from it (green and white) going?

I don't want to buy a new ECU (not too cheap..) just to find out, that it wasn't the cause [:(]
Glu777

Name: Виктор
Reg.: 9/25/2008
Topics / Posts: 7 / 995
From: Москва
Age: 49
Car: 1.Шнива-Глумобиль, мосты вояки+бортовые от МТЗ-320, Боггер 37" 2. ШН турбо 2012, 200л.с.

8/15/2017, 1:36 PM +03
MrRav3N:
One fault code keeps returning to 'awaiting fault codes' - crankshaft position sensor. I've replaced it with a new one but nothing changed. Where are those two wires from it (green and white) going?
The problem is here. If crank sensor doesn't work, motor will never start. You have to check wires from crank sensor to ecu. Green goes to pin69, white - to 15. (see red circles in attachment).
214.res.jpg
214.res.jpg
8/15/2017, 1:38 PM +03
It has gone in red colour))) i dont know why, and sircles are blue, but you can undrstand.

Техцентр "Нива777" - умеем почти все!
http://www.niva777.ru
Записаться на ремонт: 8 (495) 725-7876 ЮГ, 8 (495) 725-7899 ВОСТОК
Жаловаться, консультации по тюнингу: +7 (968) 394-8739 Виктор (Glu)Глуздовский, руководитель.

ВНИМАНИЕ!!! Запись на ремонт я не веду, и по ценам подсказать не смогу.
MrRav3N

Reg.: 8/8/2017
Topics / Posts: 1 / 4
From: Poland
Car: Niva 21214 | 1.7MPi 2008

8/16/2017, 10:17 PM +03
Glu777:
Green goes to pin69
I'm sorry Glu but shouldn't it be pin 34?
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