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Post Info TOPIC: ECU 33920-70E70 6Q


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RE: ECU 33920-70E70 6Q
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I have EGR and headted O2 sensor on the car. I found a 33920-70E40, which is from a Vitara from the same year as mine, but it for the manual version, both are 1.6 8v with heated O2 and EGR. Do you think this ECU would work on my car?

  Tks for your help.



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Guru

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IPA = IsoPropyl Alciohol, its a cleaning fluid often used on electronics.

Without examining an ECU I can't say for sure if it can be scanned.



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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.



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The ECU is the same design as the 56B30 and 56B70 (M/T) and 56B40 and 56B80 (A/T) ECUs as well as other 94-95 8V models but there are different emissions systems fitted. Do you have EGR and a heated O2 sensor? If your ECU is badly damaged then its possible to swap the processor into another one to get the correct software.



-- Edited by TechSupport on Wednesday 26th of August 2015 04:42:11 PM

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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.



Newbie

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My car uses de same ECU, do you know it its possible to replace it my another model number? Tks.



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What means IPA?

 

is not possible to do a scan software for this ECU?



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Its probably because its a Brazil model. The ECU is the same type that was fitted to the 91-95 Vitaras. I don't think that I have that version of software so I can't test it although the number does sound familiar. The board has has some sort of work done to it, it looks like someone tried to clean it with IPA or similar, unfortunately that tends to make a mess.

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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.



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yes, is 1997.  I think that confusion is because this car was sold in Brazil, and I don´t know what kind of the mix they did in manufacturing of this car,

or maybe someone has changed the ECU or Conector.. I don´t know.

 

 

 

I´m sending attached a picture that shows EL76  - MH6111



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Guru

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Are you sure that your Vitara is a 1997? that is the earlier ECU design which I have only seen in 1994-1996 models. I've only ever seen that ECU design with the earlier 12-pin plug. If I was to make a guess I'd say that is a 95 model. Is the number on the processor EL76?



-- Edited by TechSupport on Monday 20th of July 2015 04:36:20 PM

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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.



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Hi, good Morning.

 

Follow pictures of my ECU



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Member

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Right,

 

I gonna get ECU inside picture e send to you

 

thanks



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The serial data link should go to pin 9, if you can post a picture of the inside of the ECU I will be able to see if the components for the SDL are fitted. That circuit won't work, SDL is a 5V signal and requires specific signal levels, also very few PCs support the required baud rate.

I don't think that is the correct diagram for your ECU, I think that you have a 22-pin and a 26-pin socket.



-- Edited by TechSupport on Friday 17th of July 2015 04:08:54 PM

__________________

1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.



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Do you mean ECU open? if you want, I can do this

I found some documentation, and in this picture(annex1) shows Serial Data Terminal(21) and monitor coupler(14)

I think that monitor coupler(14) is that one in the engine, and Serial Data Terminal(21) in ****pit..  that´s it?

if Serial Data Terminal(21) in  A20 pin of ECU is data signal(5V), it could be used for TX and RX, right?

Do you think that circuit in annex2  (ALDL to PC Interface) could be work?

 

 

 



-- Edited by jacksonville on Friday 17th of July 2015 04:03:07 PM

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Guru

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Can you please post a picture of the circuit board?

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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.



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Hi,

I confirmed and it´s really this.

Unless that someone has been changed.

I have meter pins voltage, and I found this:


Pin 5 = Ground
Ping 15 = 5V
Ping 16 = 12V

Follow image attached that confirm pinouts



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Hi, Im from Brasil

 
I have  a suzuki vitara 1997 jxl 1.6 8V
ECU has a number 33920-70E70 6Q
E2T46181 
 
Diagnostic conector has 3 wires, pin 5, 15 and 16
What protocol is it? Iso 9141-1 or 9141-2? 
 
Is there some obd2 diagnostic cable to use with this conector?
 
 
Thanks in advance
 
Marcelo


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