Navigation Unit Inputs and Outputs for Connector C (12P)
CONNECTOR TERMINAL REFERENCE
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| 1 | WHT | {B BACK UP | Continuous power source | Battery voltage | If open: Display picture goes out (display back light still on).
NOTE:
System will reboot to "enter code" screen. If short to ground: Blows fuse No. 23 (10 A) in the under-dash fuse/relay box. |
| 4 | BLK | GND | Ground for navigation unit | 0 V | If open: No effect on system. If short to ground: No effect on system. |
| 7 | BRN | BACK LT | | Reverse signal of select laver from "Multiplex integrated Control unit" (A/T) or backup light switch (M/T) | In reverse, battery voltage: Otherwise 0 V |
If open: Navigation never sees the reverse signal and back-up camera does not come on when in reverse. Diagnostic screen "Car Status", "Back" = 0. If short to ground: Blows fuse No. 10 (7.5 A) in the under-dash fuse/relay box. |