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Discussion Starter #1
2011 Honda Pilot. A couple weeks ago, my backup camera went black. I put it in park and then went into reverse again and now the camera looks like its in thermal vision or night vision. Any idea on how to troubleshoot?
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Looks like serious signal degrade. Or LCD malfunction.
Connector at the mirror, pin 1 is camera video signal (black), pin 2 (green) is video signal ground. It is a regular composite, "yellow RCA". (pin 1 is center, pin 2 is the ring)

You need to connect some video device that accepts composite to those pins without unplugging the connector itself - if the image there is good, then it is display fault.
Next step would be opening up the tailgate, getting to the camera connector. and checking the continuity of all 5 wires running between camera and mirror

Camera connector:
pin 2(gray) shield - goes to pin 7 on mirror connector.
pin 3(black) camera signal - mirror pin 1
pin 4(green) camera signal ground - mirror pin 2
pin 5 (red) camera power ground - mirror pin 8
pin 8 (white) camera power - mirror pin 3 (on Pilot 2013 camera gets 8V, not sure how it is on 2011, but should be between 8 and 12V)

Yet another step, trying and hooking up a device that can produce composite video output, hooking that instead of camera, and see if mirror monitor displays the image normally. If it does, then camera is bad.
 

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Discussion Starter #3
Looks like serious signal degrade. Or LCD malfunction.
Connector at the mirror, pin 1 is camera video signal (black), pin 2 (green) is video signal ground. It is a regular composite, "yellow RCA". (pin 1 is center, pin 2 is the ring)

You need to connect some video device that accepts composite to those pins without unplugging the connector itself - if the image there is good, then it is display fault.
Next step would be opening up the tailgate, getting to the camera connector. and checking the continuity of all 5 wires running between camera and mirror

Camera connector:
pin 2(gray) shield - goes to pin 7 on mirror connector.
pin 3(black) camera signal - mirror pin 1
pin 4(green) camera signal ground - mirror pin 2
pin 5 (red) camera power ground - mirror pin 8
pin 8 (white) camera power - mirror pin 3 (on Pilot 2013 camera gets 8V, not sure how it is on 2011, but should be between 8 and 12V)

Yet another step, trying and hooking up a device that can produce composite video output, hooking that instead of camera, and see if mirror monitor displays the image normally. If it does, then camera is bad.
Thanks for the very detailed instructions! I'll give that a shot and see what happens.
 
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