Navigation Unit Inputs and Outputs for Connector A (20P)
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 | R SIG (Red signal) | Red color signal | 0-1 V AC | If open: Red color missing (see "RGB COLOR " diagnostic). If short to ground: Red color missing (see "RGB COLOR " diagnostic). |
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| 2 | RED | G SIG (Green signal) | Green color signal | 0-1 V AC | If open- Green color missing (see "RGB COLOR " diagnostic). If short to ground: Green color missing (see "RGB COLOR " diagnostic) |
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| 3 | BRN/BLK(1) | SHIELD SIG (Shield signal) | Shield for terminal No. 1,2,11,12,13 | 0 V | If open No change to display. If short to ground: No change to display. |
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| 4 | GRN/ORN | UART BUS SI (A/C Signal input) | A/C input signal | 0--battery voltage pulses | If open. Voice control does not work for climate control. Navi system link is NG shown in RED. If short to ground: Voice control does not work. Navi system link is NG shown in RED. | ||
| 5 | RED/BLK | ILL (+) (Illumination positive) | Parking light on signal from dash and console lights | Lights on= battery voltage. Lights off=0 V | If open: When brightness="Auto", night mode for the display is inoperative when lights on. If short to ground Blows fuse 7 in passenger's under-dash fuse/relay box. |
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| 8 | WHT | F-CAN-HI (CAN high) | F-CAN bus communication | Pulses 2.5-6 V average 3 V | If open.
If short. Check for F-CAN malfunction DTCs with the HDS. |
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| 9 | LT BLU(1) | GA-NET BUS SHIELD (Shield display bus) | Shield for display bus terminal No. 10, 20 | 0 V | If open- No change to display or audio. If short to ground: No change to display or audio. |
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| 10 | 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: Navigation buttons, audio accessories, touch screen and XM radio do not work. Navi system links is NG shown in RED. If short to ground: Navigation buttons, audio accessories, touch screen and XM radio do not work. Navi system links is NG shown in RED. |
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| 11 | 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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| 12 | BRN | C SIG (Composite signal) | Composite video (vertical/horizontal) Synchronizing signal | 0.3 VAC | If open: Picture rolls horizontally as lines, colors still visible. If short to ground. Picture rolls horizontally as lines, colors still visible. |
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| 13 | 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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| 14 | RED/GRN | UART BUS SO (A/C Signal output) | A/C output signal | 0--battery voltage pulses | If open: A/C voice control does not work for climate control. If short to ground: A/C voice control does not work. Navi system link is NG shown in RED |
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| 15 | YEL/BLU | UART BUS CLK (A/C Clock signal) | Time set sync signal for the climate control unit | 0--battery voltage pulses | If open A/C voice control does not work for climate control. If short to ground: A/C voice control does not work for climate control. |
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| 18 | RED | F-CAN-LO (CAN low) | F-CAN bus communication | Pulses 2.5-6 V average 3 V | If open:
If short: Check for F-CAN malfunction DTCs with the HDS. |
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| 20 | RED/WHT | GA-NET BUS (-) (Display bus negative) | Data bus (-) GA-Net | 0-5 V pulses nominally 2.5 V | If open: Navigation buttons, audio accessories, and touch screen and XM radio do not work Navi system link is NG shown in RED. If short to ground: Hard and touch buttons work OK. Navi system link is NG shown in RED. |
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