Navigation Display Unit Inputs and Outputs for the 20P Connector
WARNING: This page is about a different car, the 2008 Honda Pilot, 2007 Honda Pilot, and 2006 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
TERMINALS REFERENCE
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 1 | WHT/BLU | +B (+B power source) | Continuous power source | Battery voltage | If open: Screen completely off (no backlight visible). If short to ground: Blows No. 11 (10 A) fuse in the passenger's under-dash fuse/relay box. |
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| 2 | WHT/RED | ACC (Accessory) | Power source for accessory | Battery voltage at ACC (1) | If open: Display and buttons do not work. If short to ground: Blows No. 9 (15 A) fuse in the passenger's under-dash fuse/relay box. |
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| 5 | RED/BLU | GA-NET BUS (+) (Display bus positive) | Data bus (+) GA-Net | 0-5 V pulses average 2.5 V depends on bus traffic | If open: XM radio. Navigation buttons, audio accessories, and touch screen do not work. If short to ground: XM radio, audio accessories. Navigation buttons and touch screen do not work. |
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| 6 | BLU | SCTY DISP | Security signal from MPXCU PASS SIDE rear screen | 0 V | If open: If security system set, it will not trip when screen is removed. If short to ground: The security system set, it will not trip when screen is removed. |
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| 8 | WHT | R SIG (Red signal) | Red color signal | 0-1 VAC | If open: Red color missing (see "RGB COLOR " diagnostic). If short to ground: Red color missing (see "RGB COLOR " diagnostic) |
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| 9 | RED | G SIG (Green signal) | Green color signal | 0-1 VAC | If open: Green color missing (see "RGB COLOR " diagnostic). If short to ground: Green color missing (see "RGB COLOR " diagnostic). |
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| 10 | BLK | GND (Ground) | Ground for display unit | 0 V | If open: No change to display. If short to ground: No change to display. |
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| 11 | RED/BLK | ILL (+) (Illumination positive) | Parking light on signal from dash and console lights | Battery voltage if lights on: otherwise 0 V | If open: When brightness="Auto", night mode for the display is inoperative when lights on. If short to ground: Blows No. 10 (15 A) fuse in passenger's under-dash fuse/relay box. |
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| 12 | RED | ILL (-) | Ground for illumination light | With full dash lights brightness, 0 V | If open: When brightness="Auto", night mode for the display is inoperative when lights on. If short to ground: No change to display |
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| 14 | LT BLU(1) | GA-NET BUS SH GND (Shield display bus) | Shield for display bus terminal No. 5, 15 | 0 V | If open: No change to display. If short to ground: No change to display. |
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| 15 | RED/WHT | ECU BUS (-) (GA-NET) (Display bus negative) | Data bus (-) GA-Net | 0-5 V pulses average 2.5 V depends on bus traffic | If open: XM radio, Navigation buttons, audio accessories, and touch screen do not work. If short to ground: XM radio, audio accessories, and the navigation hard and touch buttons work OK. |
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| 16 | GRN/WHT | SCTY AUDIO | Security pass thru signal to audio unit | 0 V | If open: The security system set, it will not trip when screen is removed. If short to ground: If security system set, it will not trip when screen is removed. |
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| 17 | BLU | GND SIG (Ground signal) | Ground for color signal | 0 V | If open: No change to display. If short to ground: No change to display |
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| 18 | YEL | B SIG (Blue signal) | Blue color signal | 0-1 VAC | If open: Blue color missing (see "RGB COLOR " diagnostic). If short to ground: Blue color missing (see "RGB COLOR " diagnostic). |
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| 19 | BRN | C SIG (Composite signal) | Composite video (vertical/horizontal) synchronizing signal | 0 3 V AC | If open: Picture rolls horizontally, colors still visible. If short to ground: Picture rolls horizontally, colors still visible. |
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| 20 | BRN/BLK(1) | SIG 1 SH GND (Shield signal) | Shield for terminal No. 8, 9, 17, 18, 19 | 0 V | If open: No change to display. If short to ground: No change to display. |
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