Navigation Display Unit Inputs and Outputs for 20P Connector
Navigation Display Unit 20P Connector
NAVIGATION DISPLAY UNIT 20P CONNECTOR TERMINAL REFERENCE
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||||||
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| 1 | WHT | +B (+B power source) | Continuous power source | Battery voltage | If open: Screen completely off (no backlight visible). If short to ground: Blows fuse No. 7 (10 A) in the under-dash fuse/relay box. |
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| 2 | PUR | ACC (Accessory) | Power source for accessory | Battery voltage at ACC (I) | If open: Display and buttons do not work. If short to ground: Blows fuse No. 32 (10 A) in the under-dash fuse/relay box. |
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| 5 | GRN | GA NET BUS+ (GA-NET bus positive) | Data bus (+) GA-Net | 0-5 V pulses average 2.5 V depends on bus traffic | If open: Navigation hard buttons do not work. If short to ground: Navigation hard buttons XM/ AcuraLink and RES do not work. |
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| 6 | RED | SCTY (1) (Security positive) | Security signal | 0 V | If open: If security system set, it will not trip when screen is removed. If short: If security system set, it will not trip when screen is removed. |
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| 8 | WHT | R SIG (Red signal) | Red color signal | 0.2 V AC average in RGB color diagnostic mode | 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 | 0.2 V AC average in RGB color diagnostic mode | 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 | YEL | ILL(+) (Illumination positive) | Parking light on signal from dash and console light | 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 small light relay in under-hood fuse/relay box. |
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| 14 | BRN | GA NET BUS SH (GA-NET bus negative) | Shield for display bus No. 5,16 terminals | 0 V | If open: No change to display. If short to ground: No change to display. |
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| 15 | RED | GA NET BUS-- (GA-NET bus negative) | Date bus (-) GA-Net | 0-5 V pulses average 2.5 V depends on bus traffic | If open: Navigation hard buttons do not work. If short to ground: Navigation hard buttons work OK. |
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| 16 | PNK(1) LT GRN(2) | SCTY (3,4) (Security negative) | Security signal | 0 V | If open: If security system set, it will not trip when screen is removed. If short: If security system set, it will not trip when screen is removed. |
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| 17 | BLK | 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 | 0.2 V AC average in RGB color diagnostic mode | 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 | GRN | C SIG (Composite signal) | Composite video (vertical/horizontal) synchronizing signal | 0.2 V AC average in RGB color diagnostic mode | If open: Picture rolls horizontally, colors still visible. If short to ground: Picture rolls horizontally, colors still visible. |
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| 20 | BRN(3) | SIG SH (Signal shield) | Shield for No. 8, 9, 17, 18, 19 terminals | 0 V | If open: No change to display. If short to ground: No change to display. |
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