Toyota yaris 2009 battery change


Asked by Sep 04, 2016 at 01:14 PM about the 2009 Toyota Yaris Base

Question type: Maintenance & Repair

Try to change the battery with other brand and for
some reason every time y connect the wires to the
battery the car started. Start and nothing else
works.. no interior lights or any on the dash... Why
the starter is on??? . And nothing else.

3 Answers


You cannot change the battery without using the special preset saver tool, if you attempt to do so the body control computer's memory gets fouled up and then you have to go to the dealer and have the system reflashed to bring all of the vehicles accessories back up and operating. This all started in 05, there should be a warning in the owners manual about changing the battery. Every tool box should have at least this cheap version. See pic.

1 out of 1 people think this is helpful.
Best Answer

I find out why... They change the passenger side fender and disconnect the ground on the fender.. that ground feed to the entire car. I got it on and start working like they should.


Wonderful, at least the main processors still had power as they are on thier own circuits so you didn't loose programming. Wonder why they missed that, they must have some poor quality control.

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