Navigation Unit Connector B (32P)
TERMINAL NUMBER AND WIRE COLOR DESCRIPTION
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 1 | WHT | R SIG 1 (Red signal) | Red color signal | 0.7 VAC 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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| 2 | RED | G SIG 1 (Green signal) | Green color signal | 0.7 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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| 3 | GRY(1) | SH SIG 1 (Shield signal) | 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. |
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| 4 | ORN | AC-SI (Air conditioner serial in) | Communication signal for climate control unit | -- | HVAC will not respond to navigation commands. | ||
| 5 | GRY | 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: Blows No. 4(15 A) fuse in under-hood fuse/relay box. |
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| 8 | WHT | F-CAN H (F-CAN high) | F-CAN bus communication | Pulses 2.5-6 V average 2.5 V (depends on F-CAN communication traffic) | If open:
If short to ground: Same diagnostic conditions as when open, and also sets the following DTCs.
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| 9 | GRY(1) | SH ECU BUS (Shield display bus) | Shield for display bus No. 10, 26 terminal | 0 V | If open: No change to display. If short to ground: No change to display. |
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| 10 | GRN | ECU BUS+ (Display bus positive) | Data bus-f-GA-NET | 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. |
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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.
TERMINAL NUMBER AND WIRE COLOR DESCRIPTION
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 17 | YEL | B SIG 1 (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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| 18 | BRN | C SIG 1 (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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| 19 | BLU | GND SIG 1 (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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| 20 | PUR | AC-SO (Air conditioner serial out) | Communication signal for climate control unit | -- | HVAC will not respond to navigation commands. | ||
| 21 | BRN | 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 |
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| 24 | RED | F-CAN L (F-CAN low) | F-CAN bus communication | Pulses 2.5-6 V 2.5 V average (depends on bus traffic) | If open:
If short to ground: Same diagnostic conditions as when open, and also sets the following DTCs.
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| 25 | GRY(1) | SH JOG (Interface dial Shield jog) | Shield for interface dial signal | -- | -- | ||
| 26 | RED | ECU BUS-(Display bus negative) | Data 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. |
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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.