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Old 02-22-2015, 02:38 PM   #1
EricGSXR
 
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Drives: Yaris NSP90 1.33 TTE
Join Date: Jan 2010
Location: NL
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P2112 Throttle Actuator Control System - Stuck Closed

My Yaris throttle feels a bit like on and off for a while.

After restarting (pushing the clutch at a traffic light) (Yaris NSP90 1NRFE with automatic start-stop system) the MIL light burns.


This is my Techstream screenshot.


I've cleaned the valve (was a bit clogged), cleared the error code and aligned the throttle body with Techdoc documents.


The light is still off after a few months, but the throttle feels still a bit on-off.

The car is only 20.000 miles old, and the valve is (after cleaning) brand new.





What's next? Replacing the TB? Reprogramming my ECU?
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Old 02-22-2015, 04:51 PM   #2
CTScott
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If you have a legal subscription to TechStream, you can load the updated ECM firmware. I would start with that, or if you car is still under warranty, bring it in to the dealer to see if they will do the TSB and change the TB and upgrade the firmware.
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Old 02-22-2015, 05:14 PM   #3
EricGSXR
 
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Drives: Yaris NSP90 1.33 TTE
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The car is almost 5 years old now.

I've downloaded all the ECU files, but I've never updated my ECU before.
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Old 02-22-2015, 06:41 PM   #4
CTScott
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OK. Try the update then. The process is pretty simple with Techstream.
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