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Post Info TOPIC: 97 Sidekick ECU - No 5V Ref (pics)


Guru

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97 Sidekick ECU - No 5V Ref (pics)
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It doesn't make much difference if the caps have X or K on them, Mitsubishi used a number of different types across the years, they are old and beyond their life expectancy so they should be replaced. Quite often you will find that there is damage hidden beneath them, there was an issue some of these DSM ECUs where too much coating was used on some boards and the caps weren't able to vent properly which causes the copper trace underneath to erode.
The 5V reference should be simple to trace through from the connector, from memory it has only has only a resistor for protection.

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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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Hi folks, I'm brand new here. I was sent here from Suzuki Forum for expert advice with an ECU issue. I'm also brand new to this level of diagnosis. I've tinkered with Arduino in school so I'm not afraid of it, but I've never messed with soldering. There's an electronics guy in town that I think could get the job done once I figure out what needs done.

 

Here's the link to the other forum thread. https://www.suzuki-forums.com/threads/tps-troubleshooting-no-5v-ref.272259/#post-1583331

 

It all started with a TPS code and evolved to me not having 5V ref from the ECU. I'll attach pics for what I'm seeing on the ECU. I've read a couple other posts talking about checking continuity in the traces in the circuits on the board and others instantly go for capacitor replacement. Two of them have X's on top and the other has a K.

 

Can someone tell me if there's a best sequence for testing? Next steps?

 

PS - It looks like someone else has been in here before... There is a pin marked with red marker and I'm assuming it's the 5V ref pin (haven't verified).

 

IMG_0774.JPGIMG_0775.JPGIMG_0776.JPGIMG_0777.JPG

 

 



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1997 Sidekick JX
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