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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

OBDI Code 11

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Old Oct 23, 2009 | 08:41 PM
  #1  
A.Wilson013's Avatar
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Joined: Jul 2009
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From: Washington
OBDI Code 11

So, I have this code.

It's listed as Switch Signal, and ECU/ECM.

What in the world could this mean?

Thanks,
Alex
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Old Oct 24, 2009 | 05:03 AM
  #2  
thook's Avatar
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From: NW Ark on wooded ten acres...Ozarks at large!
http://www.off-road.com/toyota/tech/codes/

Loss of power supply to ECU through either the ignition circuit or the main relay circuit direct from the battery.

What seems to be the symptom/s you are dealing with?
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Old Oct 24, 2009 | 03:10 PM
  #3  
MudHippy's Avatar
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You should also read through this thread.

https://www.yotatech.com/forums/f116...e-nuts-186678/

Same code from that era OBDI system, the 88 3VZE(no code 11 for later models). The code description is identical for both engines(3VZE & 22RE/RTE). So it may be of some help in finding what's causing your code 11 conundrum.

Good luck!

No, I haven't gotten to my VSS yet, if your curious.

Yes, I still have code 11 syndrome!
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Old Oct 24, 2009 | 03:28 PM
  #4  
Kiroshu's Avatar
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Joined: Oct 2007
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From: NC
check make sure ur battery and alt are in good condition and working.... check ignition swtich and wiring make sure its not all buggered up. check the main relay for proper resitance and enrgise for proper volage and or clean contacts in relay.
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