Navigation Unit Connector B (32P)
TERMINAL VOLTAGE REFERENCE TABLE
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 1 | WHT | R SIG (Red signal) | Red color signal | 0.7 VAC average in RGB color diagnostic mode | If open: Red color missing (see
). If short to ground: Red color missing (see ). |
||
| 2 | RED | G SIG (Green signal) | Green color signal | 0.7 VAC average in RGB color diagnostic mode | If open: Green color missing (see
). If short to ground: Green color missing (see ). |
||
| 3 | BRN(1) | SIG SH (color signal shield) | Shield for terminals No. 1, 2, 17, 18, 19 | 0 V | If open: No change to display. If short to ground: No change to display. |
||
| 4 | LT BLU | AC-SI (Air conditioner serial in) | Communication signal for climate control unit | --- | HVAC will not respond to navigation commands. | ||
| 5 | PNK | ILL+ (Illumination positive) | Parking light on signal | 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: Auto, night mode for the display is inoperative when lights on. |
||
| 9 | BRN(1) | GA-NET ECU BUS SH (Display bus shield) | Shield for display bus terminals No. 10, 20 | 0 V | If open: No change to display. If short to ground: No change to display. |
||
| 10 | BLK | GA-NET ECU BUS+ (Display bus positive) | GA-NET display bus+ | 0-5 V pulses average 2.5 V (depends on bus traffic) | If open: Navigation buttons do not work. If short to ground: Navigation buttons do not work. |
||
| 17 | YEL | B SIG (Blue signal) | Blue color signal | 0.2 V AC average in RGB color diagnostic-mode | If open: Blue color missing (see
). If short to ground: Blue color missing (see ). |
||
| 18 | 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. |
||
| 19 | BLK | GND SIG (Color signal ground) | Ground for color signal | 0 V | If open: No change to display. If short to ground: No change to display. |
||
| 20 | ORN | AC-SO (Air conditioner serial out) | Communication signal for climate control unit | HVAC will not respond to navigation commands. | |||
| 21 | BLU | AC-CLK (Air conditioner clock) | Check signal for climate control unit | HVAC will not respond to navigation commands. | |||
| 23 | WHT | JOG (Interface dial Jog) | Interface dial operation signal | 0-5 V pulses | If open: You cannot operate navigation system If short to ground: You cannot operate navigation system |
||
| 25 | BRN(1) | JOG SH (Interface dial Jog shield) | Shield for interface dial signal | ||||
| 26 | WHT | GA-NET ECU BUS-(Display bus negative) | GA-NET display bus- | 0-5 V pulses 2.5 V average (depends on bus traffic) | If open: Navigation buttons do not work. If short to ground: Hard buttons work OK. |
||
|
|||||||