2003 infiniti m45 navigation screen

2003 INFINITI M45
93,400 MILES
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JEVERETT36
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2003 infiniti m45 navigation screen just went out and I checked the fuses in the engine compartment which is ok. The screen lights up but shows nothing at all and I cant work the radio, ac /heat or any of the controls. What can it be?
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Oct 8, 2011 at 4:05 AM
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RIVERMIKERAT
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I see an accessory relay in the fuse block. Image attached. The second image is to help you locate it. Third image depicts the location for the AV/Nav Control unit in the trunk. Check all of the wiring to and from. Also check the connections to and from the audio system amplifier.
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Oct 8, 2011 at 4:47 AM
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RIVERMIKERAT
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Also check the connectors that feed the Nav screen
Oct 8, 2011 at 4:52 AM
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