Navigation Display Unit Inputs and Outputs
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NAVIGATION DISPLAY UNIT 32P CONNECTOR TERMINAL REFERENCE
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 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 15 (10 A) in the under-hood fuse/relay box |
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| 2 | PUR | ACC (Accessory) | Power source for accessory | Battery voltage at ACC mode | If open Display and buttons do not work If short to ground Blows fuse No 18 (7 5 A) in the driver's under-dash fuse/relay box |
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| 3 | BLK | CAMERA GND (Ground camera) | Ground for camera signal | 0V | If open No change to rearview camera image If short to ground No change to rearview camera image |
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| 4 | WHT | CAMERA V (VCC supply) | Power source for rearview camera | 8V | If open When put into reverse, the navigation screen goes black (backlight still operates) If short to ground When put into reverse, the navigation screen goes black (backlight still operates) |
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| 9 | GRY(1) | GA-NET BUS SH (Shield ECU bus) | Shield for display bus terminals No 24, 25 | 0V | If open No change to display If short to ground No effect on system |
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| 10 | BLU | YS | Overlay control signal | 1 0 V AC average | If open No change to display If short to ground No change to display |
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| 11 | GRY(1) | SIG SH (Shield signal) | Shield for terminals No 10, 12, 13, 14, 15 | 0V | If open No change to display If short to ground No change to display |
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| 12 | WHT | R SIG (Red signal) | Red color signal | 0 7 V AC | If open Red color missing (see RGB ) If short to ground Red color missing (see RGB ) |
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The color of the insulating tube, typically black or dark gray, may not match the color of the wire shown on the circuit diagram |
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NAVIGATION DISPLAY UNIT 32P CONNECTOR TERMINAL REFERENCE
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 13 | RED | G SIG (Green signal) | Green color signal | 0 7 V AC | If open Green color missing (see RGB ) If short to ground Green color missing (see RGB ) |
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| 14 | YEL | B SIG (Blue signal) | Blue color signal | 0-1 VAC | If open Blue color missing (see RGB ) If short to ground Blue color missing (see RGB ) |
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| 15 | 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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| 16 | RED | NAVI 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 When brightness=Auto, night mode for the display is inoperative when lights on |
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| 17 | BLK | GND (Ground) (G501) | Ground for display unit | 0V | If open No change to display If short to ground No change to display |
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| 18 | BRN | BACK LT- (Back light or reverse signal) | Reverse signal of select lever from reverse relay | In reverse, battery voltage Otherwise 0 V | If open Navigation never sees reverse Diagnostic screen Car Status, Back=0 If short to ground Blows fuse No 5 (7 5 A) in the driver's under-dash fuse/relay box |
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| 19 | RED | VCC GND (Ground camera) | Ground for camera signal | 0V | If open No change to rearview camera image If short to ground No change to rearview camera image |
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| 20 | GRN | CAMERA VCC (Video camera) | Video signal for rearview camera | 0 3 V | If open No change to rearview camera image If short to ground No change to rearview camera image |
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| 21 | GRY(1) | CAMERA SH (Shield camera) | Shield for terminals No 3, 4, 19, 20, 22 | 0V | If open No change to rearview camera image If short to ground No effect on system |
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| 22 | BRN | CAMERA ADPT (Adaptive camera) | Control signal for rearview camera | 0V | If open No change to rearview camera image If short to ground No change to rearview camera image |
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| 24 | PNK | GA-NET BUS+ (GA-NET) (Display bus positive) | Data bus+ GA-Net | 0-5 V pulses average 2 5V depends on bus traffic | If open Navigation buttons do not work If short to ground Navigation buttons do not work |
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| 25 | BLU | GA-NET BUS- (Display bus negative) | Data bus-GA-Net | 0-5 V pulses average 2 5V depends on bus traffic | If open Navigation buttons and touch screen do not work If short to ground Hard and touch buttons work OK |
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| 30 | BRN | SECURITY1 | Security signal from passenger's MICU | 0V | If open The security system sets, and does not trip when screen is removed If short to ground The security system sets, and does not trip when screen is removed |
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| 32 | WHT | SECURITY2 | Security signal to audio-navigation unit | 0V | If open The security system sets, and does not trip when screen is removed If short to ground The security system sets, and does not trip when screen is removed |
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The color of the insulating tube, typically black or dark gray, may not match the color of the wire shown on the circuit diagram |
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