Navigation Unit Inputs and Outputs for Connector B (12P)

Terminal number | Wire color | Terminal | Terminal name | Description
--- | --- | --- | --- | ---
1 | WHT | +B | +B power source | Continuous power source
2 | YEL/RED or RED | ACC | Accessory | Power source for accessory
4 | BLK | GND | Ground | Ground for navigation unit
5 | GRN or RED/BLK | ILL+ | Illumination positive | Parking light ON signal
7 | GRN | BACK LT | Back light | Reverse signal of select lever
8 | BLU | VSP | Vehicle speed pulse | Vehicle speed pulse signal
9 | GRN/RED | DIAG P | Diagnosis positive | Service check signal for navigation system
10 | GRN/YEL | DIAG N | Diagnosis negative | Ground for service check signal