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Old 01-22-2016, 01:51 AM   #1
ArmstrongRacing
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Drives: That Scrappy 2zrVios
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I finished all of my Corolla harness soldering today. I connected the battery and switched on the ignition and I immediately got a code for P2770-Torque Converter Clutch(auto trans).....Im not sure if this is a result of the hydrolock or what, looks like I need to do a bit more research...

Tomorrow I will finish my MAF wiring and fire it up...hopefully all goes well.
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Last edited by ArmstrongRacing; 01-22-2016 at 09:27 AM.
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Old 01-22-2016, 12:46 PM   #2
beaker
 
Drives: 07 Yaris 3 door
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Quote:
Originally Posted by ArmstrongRacing View Post
I finished all of my Corolla harness soldering today. I connected the battery and switched on the ignition and I immediately got a code for P2770-Torque Converter Clutch(auto trans).....Im not sure if this is a result of the hydrolock or what, looks like I need to do a bit more research...

Tomorrow I will finish my MAF wiring and fire it up...hopefully all goes well.
So far, it was just four wires you had to change? (pending figuring out the P2770 code of course)
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Old 01-22-2016, 12:52 PM   #3
ArmstrongRacing
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So far, it was just four wires you had to change? (pending figuring out the P2770 code of course)
For the Xd manual trans harness yes, 4 wires so far.

Update: (auto trans only) I've found the harness discrepancy causing my P2770 code. The Xd ECM normally receives a signal from the SL solenoid on pin#58, but my Corolla harness has that wire on 57. Also the Corolla/Xd valve body's ground this solenoid internally vs the Yaris auto trans grounding this solenoid at the ECM. I just need to swap pins 57 to 58 and ground pin #9 at the valve body connector.

Last edited by ArmstrongRacing; 01-24-2016 at 12:55 PM.
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Old 01-24-2016, 02:15 PM   #4
beaker
 
Drives: 07 Yaris 3 door
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Quote:
Originally Posted by ArmstrongRacing View Post
I finished all of my Corolla harness soldering today. I connected the battery and switched on the ignition and I immediately got a code for P2770-Torque Converter Clutch(auto trans).....Im not sure if this is a result of the hydrolock or what, looks like I need to do a bit more research...

Tomorrow I will finish my MAF wiring and fire it up...hopefully all goes well.
How did the wiring go for the corrolla harness to XD/yaris? Any left over wires, or were you able to terminate/find a place for all the wires? Just wondering how viable using a corrolla harness is.
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