2013 yaris hatch wont open - Toyota Yaris Forums

Dabuu · 05-17-2016, 02:09 PM

I doubt it's a fuse. Alot of systems share a fuse, so if it was, you would see something else that isn't functioning properly. Maybe the rear door relay, but, it's (rear latch) controlled by the main body ecu.

The unlatch signal is sent to the Main Body ECU. The MB ECU then outputs a signal to the rear door motor allowing it to unlatch.

Depending on your Yaris' first date of use, and current mileage, the 36 month 36,000 mile warranty would cover it. If not, a MB ECU is going to cost alot, but that's worst case. It could be a broken wire somewhere. So unless you buy the electrical wiring diagram from Toyota, this might have to be a dealer visit.

It's not that simple to fix a stuck door lock nowadays. :P

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05-17-2016, 02:09 PM	#9
Dabuu Radical Dreamer Drives: spiritedly. Join Date: May 2016 Location: No Bueno Park, CA Posts: 219	I doubt it's a fuse. Alot of systems share a fuse, so if it was, you would see something else that isn't functioning properly. Maybe the rear door relay, but, it's (rear latch) controlled by the main body ecu. The unlatch signal is sent to the Main Body ECU. The MB ECU then outputs a signal to the rear door motor allowing it to unlatch. Depending on your Yaris' first date of use, and current mileage, the 36 month 36,000 mile warranty would cover it. If not, a MB ECU is going to cost alot, but that's worst case. It could be a broken wire somewhere. So unless you buy the electrical wiring diagram from Toyota, this might have to be a dealer visit. It's not that simple to fix a stuck door lock nowadays. :P