Navigation Display Unit Inputs and Outputs
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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