Question about 2002 Toyota Sienna

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My car key

I lost my car key 2002 toyota sienna and the key has transponder please how do I by pass the car computer brain box

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  • Anonymous Dec 26, 2008

    I'm in the same situation at the moment and so far the only advise I've gotten was to have the van towed to the dealership then have them make a new key. Since this happened to you over a month ago, how did you resolve your situation?

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I dont think you can that is why its there to stop illegal entry if you det in touch with toyota they will tell you what to do sorry joe

Posted on Nov 21, 2008

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Check the power feeds to the managements system sounds as though you've lost one power feed to the computer. In the event of that failing check the connections to the transponder. It sounds as though the injectors circuit are not opening and that could be the transponder could be the problem. Just an after thought, as it's a diesel, have you removed all the air from the fuel system?
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there appears to be a speed sensor on every wheel with the abs actuator assembly(including ecu) is attached to the brake booster.

the manual says. . . .The ABS computer(ECU) is mounted within the ABS actuator and is the ' brain' for the ABS system. The function of the computer is to accept and process information recieved from the wheel speed sensors to control the hydraulic line pressure, avoiding wheel lock up. The computer aslo constantly monitores the system, even under normal driving conditions, to find faults within the system.
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1 Answer

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If you have a local locksmith you can trust, he should be able to get you into the car. He will need the VIN number.

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