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The second generation of Scion's box-shaped hatchback.

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having battery and power steering problems

my 09 xB has the battery light on and hard to steer. hard to keep running and no voltage increase on terminals when rev engine above 2500rpm. is there a module for power steering? is it the main control unit for the car?

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@shovel86cu The steering is on an electric rack and you have insufficient voltage to operate . Your alternator is probably the problem . But that said it could also be a battery with a bad cell . To test and find out use a multi meter and get a reading on the battery . The battery should be in the 12.6V range when the motors not running and with the motor running it should be up to 13.6V but not beyond 14.5V. The battery could and likely will be less as its likely the alternator is not charging the battery . Put a battery charger on the car , charge up the battery then remove the charger and do the test. If the voltage stays the same and doesnt increase with the car running then the alternator is bad and needs to be replaced . if the battery doesnt take a charge it may have a bad cell and it will need to be replaced . Let use know if you have further questons . Hope this helps

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