Transmission not shifting correctly.

2002 TOYOTA LANDCRUISER
140 MILES • 4.5L • 6 CYL • 4WD • AUTOMATIC
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GUEST037
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Hi,

Transmission jumping first to third mostly. Sometime works properly. I think it is electric component failed, could be solenoid or one of sensors.
Jan 9, 2018 at 6:34 AM
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KHLOW2008
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I would suggest getting a diagnostic scan performed to check for trouble codes and if any found, it would help in determining possible causes for the problem.
Jan 10, 2018 at 7:19 AM
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GUEST037
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OBD not supported for this vehicle Toyota Land cruiser 2002 Engine 1fz Transmission A442A. When it's jump to from 1st to 3rd.. kickdown won't work till I stop.
Jan 10, 2018 at 11:28 PM
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STRAILER
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It sounds like you have a shaft speed sensor that is going out. Here is the locations so you can check it out. Also the shift solenoid could be shorting out as well. Here is a transmission wiring diagrams so you can check signals to the shift solenoids.

https://www.2carpros.com/articles/how-to-use-a-voltmeter

and

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (Below)

Please run some tests and get back to us.

Cheers, Ken
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Jan 12, 2018 at 6:27 PM
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GUEST037
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The job has been done perfectly.. the problem was solved..
Thanks Bro.
Jan 20, 2018 at 2:02 AM
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STRAILER
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Good to hear can I ask if the speed sensor fixed it?
Jan 20, 2018 at 12:53 PM
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GUEST037
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Wiring connector was failed
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Jan 20, 2018 at 9:01 PM
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STRAILER
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Nice work, we are here to help, please use 2CarPros anytime.

Cheers, Ken
Jan 21, 2018 at 12:38 PM