Navigation Unit Inputs and Outputs for Connector B (14P)

Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom
--- | --- | --- | --- | --- | ---
5 | BRN | RG L (+) (Route guidance voice left positive) | Left audio signal of voice guidance, and Voice Recognition (VR) prompts | Audio signal 0.004−0.04 V | If open: If voice activated, radio speakers buzz; if voice off, no effect. If short to ground: If voice activated, radio speakers buzz; if voice off, no effect.
11 | GRY | SH RG (Shield route guidance) | Shield for terminal No. 5, 12 | 0 V | If open: No effect on voice output. If short to ground: No effect on voice output.
12 | RED | GND RG (Ground routs guidance) | Ground for voice guidance, and Voice Recognition (VR) prompts | 0 V | If open: No effect on voice output. If short to ground: No effect on voice output.