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The external system is not connected?

My 04 Toyota LC's navigation says the external system is not connected?

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Posted on Jan 02, 2017

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kimvo1628
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SOURCE: toyota navigational system external system not connected

I have the same problem like your but i checked on toyota forum saw that an engineer was solved the problem. He said the vibration impact from the car and poorly well on the circuit board which cause the problem. here how he does it.
1. Remove the gps system from the car. take off the four screws which holding the gps screen.
2. Open and remove the circuit board. Next try to resolder all the pins on the circuit board then reassembled. you can do it your self or give the circuit board to a technician to do it for you.

I don't know if it work yet but i will try on my car. Good luck for you and me.

Note: this guy claim that he already fixed 3-4 with 100% successful. You can go to toyota owner club to check it out.

Posted on Aug 22, 2012

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rjaai003_204.asp?menuid=rdbawh030000&sessionid=b23b61ec-6b2d-41dc-8d50-15026d64c21a&dbkey=sea7a00a46500056901kdad01

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1 Answer

Toyota navigational system external system not connected


I have the same problem like your but i checked on toyota forum saw that an engineer was solved the problem. He said the vibration impact from the car and poorly well on the circuit board which cause the problem. here how he does it.
1. Remove the gps system from the car. take off the four screws which holding the gps screen.
2. Open and remove the circuit board. Next try to resolder all the pins on the circuit board then reassembled. you can do it your self or give the circuit board to a technician to do it for you.

I don't know if it work yet but i will try on my car. Good luck for you and me.

Note: this guy claim that he already fixed 3-4 with 100% successful. You can go to toyota owner club to check it out.

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